Condensed Unaudited Financial Statements, Supplemental Guarantor Information [Abstract] -- None. No documentation exists for this element. -- Condensed Income Statement [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Reportable Legal Entities [Member] Reportable Legal Entities [Member] Eliminations [Member] Consolidation, Eliminations [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] MasTec, Inc. [Member] Parent Company [Member] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Condensed Unaudited Consolidating Statements of Operations and Comprehensive Income (Loss) [Line Items] Condensed Income Statements, Captions [Line Items] Revenue Revenues Costs of revenue, excluding depreciation and amortization Cost of Services, Excluding Depreciation, Depletion, and Amortization Depreciation and amortization Depreciation, Depletion and Amortization General and administrative expenses General and Administrative Expense Interest expense (income), net Interest Revenue (Expense), Net Equity in (earnings) losses of unconsolidated affiliates Income (Loss) from Equity Method Investments Other (income) expense, net Nonoperating Income (Expense) Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Benefit from (provision for) income taxes Income Tax Expense (Benefit) Net loss (income) before equity in losses from subsidiaries Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Equity in losses from subsidiaries, net of tax Income (Loss) from Subsidiaries, Net of Tax Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Net loss attributable to MasTec, Inc. Net Income (Loss) Attributable to Parent Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Document and Entity Information [Abstract] -- None. No documentation exists for this element. -- Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Trading Symbol Trading Symbol Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Segment Reporting [Abstract] Segments and Related Information [Table] Schedule of Segment Reporting Information, by Segment [Table] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Canadian Dollars [Member] Canada, Dollars Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Contracts Accounted for under Percentage-of-Completion [Member] Contracts Accounted for under Percentage of Completion [Member] Reportable Segments [Member] Operating Segments [Member] Corporate [Member] Corporate, Non-Segment [Member] Segments [Axis] Segments [Axis] Segments [Domain] Communications [Member] Communications [Member] Communications activities, including but not limited to: wireless, wireline/fiber, satellite communications and install-to-the-home activities. Oil and Gas [Member] Oil And Gas [Member] Engineering, construction and maintenance services on oil and natural gas pipelines and processing facilities for the energy and utilities industries. Electrical Transmission [Member] Electrical Transmission [Member] The engineering, construction and maintenance of electrical transmission lines and substations for the energy and utility industries. Power Generation and Industrial [Member] Power Generation and Industrial [Member] Power plant, renewable energy, industrial infrastructure and related facilities construction. Other [Member] Other Segments [Member] Segments and Related Information [Line Items] Segment Reporting Information [Line Items] EBITDA: Segment Reporting Information, Income (Loss) before Income Taxes [Abstract] EBITDA EBITDA Earnings from continuing operations before interest, taxes, depreciation and amortization, a non-U.S. GAAP financial measure of profitability. Equity in earnings (losses) of unconsolidated affiliates Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Non-Recurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Contingent Consideration by Type [Axis] Contingent Consideration by Type [Axis] Contingent Consideration Type [Domain] Contingent Consideration Type [Domain] Earn-Out Arrangements [Member] Earn-out Arrangements [Member] Additional future payments to sellers of an acquired business, contingent upon the acquired business's future earnings performance. Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Fair Value [Member] Estimate of Fair Value Measurement [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Income, Net [Member] Nonoperating Income (Expense) [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Adjustments [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Fair Value, Financial Instruments Measured on a Recurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair value measurements, valuation techniques Fair Value Measurements, Valuation Techniques ASC 805 contingent consideration, fair value Obligations, Fair Value Disclosure Additions from new business combinations, ASC 805 contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Payments of ASC 805 contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Reduction in ASC 805 contingent consideration, gain included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Foreign currency translation (losses) gains, other comprehensive income, ASC 805 contingent consideration Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Earnings Per Share [Abstract] Earnings Per Share, Basic and Diluted [Abstract] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Common Stock Equivalents Excluded Due To Net Loss [Member] Common Stock Equivalents Excluded Due To Net Loss [Member] The number of weighted average common stock equivalents excluded from the calculation of diluted net loss per share as their effect would have been anti-dilutive. Common Stock [Member] Common Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Computation of earnings per share, methodology Earnings Per Share Reconciliation Disclosure Weighted average anti-dilutive common stock equivalents (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Revenue by Major Customers, by Reportable Segment [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk [Member] Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Revenue [Member] Sales Revenue, Services, Net [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] AT&T (including DIRECTV) [Member] AT&T1 [Member] AT&T, including DIRECTV (business name). Energy Transfer Affiliates [Member] Energy Transfer Affiliates [Member] Energy Transfer affiliates (business name). Revenue, Significant Customers [Line Items] Significant customers, percentage of total consolidated revenue Concentration Risk, Percentage Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowance Accounts Receivable, Net, Current Inventories, net Inventory, Net Prepaid expenses Prepaid Expense, Current Other current assets Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Other long-term assets Other Assets, Noncurrent Total assets Assets Liabilities and equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Current maturities of long-term debt Long-term Debt and Capital Lease Obligations, Current Accounts payable Accounts Payable, Current Accrued salaries and wages Employee-related Liabilities, Current Other accrued expenses Accrued Liabilities, Current Acquisition-related contingent consideration, current Business Combination, Contingent Consideration, Liability, Current Billings in excess of costs and earnings Billings in Excess of Cost, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Acquisition-related contingent consideration, net of current portion Business Combination, Contingent Consideration, Liability, Noncurrent Long-term debt Long-term Debt and Capital Lease Obligations Long-term deferred tax liabilities, net Deferred Tax Liabilities, Net, Noncurrent Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (See Note 14) Commitments and Contingencies Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $1.00 par value: authorized shares - 5,000,000; issued and outstanding shares – none Preferred Stock, Value, Issued Common stock, $0.10 par value: authorized shares - 145,000,000; issued shares - 90,314,373 (including 1,952,832 of unvested restricted shares) and 88,197,474 as of March 31, 2016 and December 31, 2015, respectively Common Stock, Value, Issued Capital surplus Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost: 8,094,004 shares as of both March 31, 2016 and December 31, 2015 Treasury Stock, Value Total MasTec, Inc. shareholders’ equity Stockholders' Equity Attributable to Parent Non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Receivables [Abstract] Provisions for doubtful accounts Provision for Doubtful Accounts Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Condensed Unaudited Consolidating Balance Sheets [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Current assets Goodwill and other intangible assets, net Intangible Assets, Net (Including Goodwill) Investments in and advances to consolidated affiliates, net Due from Affiliate, Noncurrent Other long-term assets Total current liabilities Other long-term liabilities Liabilities, Other than Long-term Debt, Noncurrent Total equity Debt Disclosure [Abstract] Schedule of Long-Term Debt [Table] Schedule of Long-term Debt Instruments [Table] Long-Term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-Term Debt, Type [Domain] Long-term Debt, Type [Domain] Other Credit Facilities [Member] Foreign Line of Credit [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Weighted Average [Member] Weighted Average [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of credit facility, maximum borrowing capacity (in dollars) Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, amount outstanding (in dollars) Long-term Debt Line of credit facility, interest rate (percentage) Line of Credit Facility, Interest Rate at Period End Line of credit facility, rationale for classification as long-term debt Line of Credit Facility, Rationale for Classification as Long-term Debt Equity [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Equity Method Investees [Member] Equity Method Investee [Member] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Waha JVs [Member] Waha JVs [Member] Trans-Pecos Pipeline, LLC ("TPP") (business name) and Comanche Trail Pipeline, LLC ("CTP") (business name) and together, referred to as the Waha JVs Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swaps [Member] Interest Rate Swap [Member] Accumulated Other Comprehensive Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated other comprehensive losses Unrealized foreign currency translation gains (losses) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive loss, unrecognized unrealized fair market value losses, before tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Other comprehensive loss, unrecognized unrealized fair market value losses, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Accounting Policies [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2015-03 [Member] Accounting Standards Update 2015-03 [Member] Accounting Standards Update 2015-03 Interest—Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs ("ASU 2015-03"). Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Debt [Member] Debt [Member] Credit Facility [Member] Domestic Line of Credit [Member] Senior Notes [Member] Senior Notes [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Term Loan [Member] Loans Payable [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 4.875% Senior Notes [Member] Four Point Eight Seven Five Percent Senior Notes [Member] 4.875% Senior Notes New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Adoption of new accounting pronouncement, reclassification of deferred financing costs from other assets to debt New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Debt instrument, interest rate (percentage) Debt Instrument, Interest Rate, Stated Percentage Other Accrued Expenses [Member] Accrued Liabilities [Member] Adoption of new accounting pronouncement, reclassification of deferred financing costs from other assets to debt Debt instrument, accrued interest payable Interest Payable, Current Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Pacer [Member] Pacer [Member] Pacer Construction Holdings Corporation and its affiliated operating companies (business name). Joint Venture [Member] Corporate Joint Venture [Member] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Receivable [Domain] Accounts Receivable [Member] Trade Accounts Receivable [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Performance Guarantees [Member] Performance Guarantee [Member] Other Commitments [Axis] Other Commitments [Axis] Other Commitments [Domain] Other Commitments [Domain] Financial Support [Member] Capital Support Agreement [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Proportionately consolidated joint venture, ownership percentage ProportionatelyConsolidatedJointVentureOwnershipPercentage The percentage of ownership of common stock or equity participation in the investee accounted for under the proportionate consolidation method. Revenue, related party Revenue from Related Parties Receivables, joint venture Due from Joint Ventures Guarantees issued, related parties Guarantor Obligations, Maximum Exposure, Undiscounted Unconsolidated affiliates, financing commitments, amounts paid Payments to Acquire Other Investments Unconsolidated affiliates, outstanding commitments Other Commitment Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States [Member] UNITED STATES Foreign Operations [Member] Non-US [Member] Accounts Receivable, Net, Less Billings in Excess of Costs and Earnings [Member] Accounts Receivable [Member] Credit Concentration Risk [Member] Geographic Concentration Risk [Member] Foreign Customers [Member] Foreign Customers [Member] Foreign customers, which represent customers in countries other than the United States. Intangible assets and goodwill, net Concentration risk, percentage of total Share-based Compensation [Abstract] Schedule of Stock-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Employee Stock Purchase Plans [Member] Employee Stock [Member] Stock-Based Compensation and Other Employee Benefit Plans [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Cash proceeds (in dollars) Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options Common shares issued (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Weighted average price per share (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average per share grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Multiemployer Plans [Abstract] Schedule of Covered Employees and Contributions, Multiemployer Plans [Table] Schedule of Multiemployer Plans [Table] Workforce Subject to Collective Bargaining Arrangements [Member] Workforce Subject to Collective Bargaining Arrangements [Member] Unionized Employees [Member] Unionized Employees Concentration Risk [Member] Low [Member] Minimum [Member] High [Member] Maximum [Member] Multiemployer Plan Type [Axis] Multiemployer Plan Type [Axis] Multiemployer Plans Type [Domain] Multiemployer Plans Type [Domain] Multiemployer Plans, Pension [Member] Multiemployer Plans, Pension [Member] Multiemployer Plans, Other Multiemployer [Member] Multiemployer Plans, Postretirement Benefit [Member] Covered Employees and Contributions, Multiemployer Plans [Line Items] Multiemployer Plans [Line Items] Multiemployer plans, covered employees (in number of employees) Defined Contribution Plan, Number of Employees Covered Multiemployer plans, contributions (in dollars) Multiemployer Plan, Period Contributions Stock Options [Member] Employee Stock Option [Member] Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options outstanding, vested, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options exercisable, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options outstanding, vested, ending balance (in shares) Options exercisable, ending balance (in shares) Per Share Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Options outstanding, vested, per share weighted average exercise price, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options exercisable, per share weighted average exercise price, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercised (in dollars per share) Options outstanding, vested, per share weighted average exercise price, ending balance (in dollars per share) Options exercisable, per share weighted average exercise price, ending balance (in dollars per share) Weighted Average Remaining Contractual Life and Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Options outstanding, vested, weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options exercisable, weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options outstanding, vested, aggregate intrinsic value (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options exercisable, aggregate intrinsic value (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Business, Basis of Presentation and Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule Of Other Intangible Assets [Table] ScheduleOfIntangibleAssets [Table] Schedule of intangible assets, excluding goodwill. Non-Amortizing Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Non-Amortizing Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade Names [Member] Trade Names [Member] Pre-Qualifications [Member] Contractual Rights [Member] Amortizing Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Amortizing Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer Relationships and Backlog [Member] Customer-Related Intangible Assets [Member] Other Amortizing Intangible Assets [Member] Other Intangible Assets [Member] Other Intangible Assets [Line Items] Intangible assets [Line Items] Line items for intangible assets, excluding goodwill. Other intangible assets, non-amortizing, carrying amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Other intangible assets, amortizing, gross carrying amount Finite-Lived Intangible Assets, Gross Other intangible assets, gross carrying amount Intangible Assets, Gross (Excluding Goodwill) Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Other Intangible Assets [Rollforward] Intangible Assets (Excluding Goodwill) [Roll Forward] Rollforward of intangible assets, excluding goodwill. Other intangible assets, non-amortizing, beginning balance Other intangible assets, net, amortizing, beginning balance Finite-Lived Intangible Assets, Net Other intangible assets, net, beginning balance Amortization expense Amortization of Intangible Assets Currency translation adjustments, non-amortizing intangible assets Indefinite-lived Intangible Assets, Translation Adjustments Currency translation adjustments, amortizing intangible assets Finite-Lived Intangible Assets, Translation Adjustments Currency translation adjustments, other intangible assets Intangible Assets, Gross (Excluding Goodwill), Translation Adjustments Amount of increase (decrease) to intangible assets, excluding goodwill, for foreign currency translation adjustments. Other intangible assets, non-amortizing, ending balance Other intangible assets, net, amortizing, ending balance Other intangible assets, net, ending balance Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Executive Officers [Member] Executive Officer [Member] Chairman, Board of Directors [Member] Board of Directors Chairman [Member] Management [Member] Management [Member] Major Customers [Axis] Name of Major Customer [Domain] Related Customer [Member] Related Customer [Member] Customer that has a related party relationship with the entity, either by ownership or management affiliation. Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Employee Leasing Arrangements [Member] Employment Contracts [Member] Subcontractor Ancillary Services [Member] Construction Contracts [Member] Service Agreements [Member] Service Agreements [Member] Lease Agreements [Member] Lease Agreements [Member] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Axis] Lease Arrangement, Type [Domain] Lease Arrangement, Type [Domain] Aircraft [Member] Air Transportation Equipment [Member] Number of other management employees in subcontracting arrangement Entity Number of Employees Expenses from transactions with related party Related Party Transaction, Expenses from Transactions with Related Party Accounts payable, related party Accounts Payable, Related Parties, Current Charges to related party Related Party Transaction, Other Revenues from Transactions with Related Party Due from related party Due from Other Related Parties Accounts receivable, related party Accounts Receivable, Related Parties Statement of Cash Flows [Abstract] Statement [Table] Statement [Table] Other Significant Non-Cash Transaction [Axis] Other Significant Noncash Transaction [Axis] Other Significant Non-Cash Transaction, Name [Domain] Other Significant Noncash Transaction, Name [Domain] Equipment [Member] Machinery and Equipment [Member] Statement [Line Items] Statement [Line Items] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Non-cash interest expense, net Amortization of Financing Costs and Discounts Non-cash stock-based compensation expense Allocated Share-based Compensation Expense Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Benefit from deferred income taxes Deferred Income Tax Expense (Benefit) Other non-cash items Other Noncash Income (Expense) Gains on sales of assets Gain (Loss) on Sale of Assets and Asset Impairment Charges Changes in assets and liabilities, net of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other assets, current and long-term portion Increase (Decrease) in Other Operating Assets Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Billings in excess of costs and earnings Increase (Decrease) in Billing in Excess of Cost of Earnings Book overdrafts Increase (Decrease) in Book Overdrafts Other liabilities, current and long-term portion Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Cash paid for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Capital expenditures Payments to Acquire Productive Assets Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Payments for other investments Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows used in financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from credit facilities Proceeds from Long-term Lines of Credit Repayments of credit facilities Repayments of Long-term Lines of Credit Repayments of other borrowings Repayments of Other Long-term Debt Payments of capital lease obligations Repayments of Long-term Capital Lease Obligations Repurchase of common stock Payments for Repurchase of Common Stock Proceeds from stock-based awards, net of tax withholdings Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Effect of currency translation on cash Effect of Exchange Rate on Cash and Cash Equivalents Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents - beginning of period Cash and cash equivalents - end of period Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid Income taxes paid, net of refunds Income Taxes Paid, Net Supplemental disclosure of non-cash information: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Equipment acquired under capital lease Capital Lease Obligations Incurred Equipment acquired under financing arrangements Notes Issued Accrued capital expenditures Capital Expenditures Incurred but Not yet Paid Multiemployer plans, general nature Multiemployer Plans, General Nature Revolving Loans [Member] Letters of Credit [Member] Letter of Credit [Member] Performance Guarantees [Member] Standby Letters of Credit [Member] Financial Standby [Member] Financial Standby Letter of Credit [Member] Line of credit facility, maximum borrowing capacity Line of credit facility, letters of credit issued Letters of Credit Outstanding, Amount Line of credit facility, remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Line of credit facility, capacity available for letters of credit Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases Line of credit facility, capacity available for foreign currencies LineOfCreditFacilityRemainingBorrowingCapacityInForeignCurrency Amount of availability (borrowing capacity currently available) in either Canadian dollars or Mexican pesos under the credit facility. Line of credit facility, unused facility fee (percentage) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of credit facility, collateral Line of Credit Facility, Collateral Eliminations [Member] Intersegment Eliminations [Member] Utilities [Member] Utilities [Member] Customers of the business entity whose end-market products or services are in the utilities industry. Revenue: Segment Reporting Information, Revenue for Reportable Segment [Abstract] Revenue (in dollars) Utilities customers, percentage of Communications segment revenue Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Number of reportable segments Number of Reportable Segments Revenue Recognition [Abstract] Revenue Recognition [Abstract] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Maximum [Member] Segments [Domain] Product Concentration Risk [Member] Product Concentration Risk [Member] Type of Arrangement and Non-arrangement Transactions [Axis] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements and Non-arrangement Transactions [Domain] Arrangements and Non-arrangement Transactions [Domain] Revenue Recognition [Line Items] Revenue from External Customer [Line Items] Project losses (in dollars) Loss on Contracts Change in accounting estimate, percentage-of-completion projects, financial effect on project profit, percentage Change In Accounting Estimate, Percentage Of Completion Projects, Financial Effect, Percentage Disclosure of the percentage effect on project profit (defined as project revenue less project costs of revenue, including depreciation) during the reporting period of changes in contract estimates for projects that were in process as of the end of the prior year. Fixed price contract, term within which generally completed (in years) Fixed Price Contracts, Term Expected length of time within which a fixed price contract is completed, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Unapproved change orders, description Unapproved Change Orders, Description Unapproved change orders, expected to be billed and collected within one year, amount (in dollars) Unbilled Change Orders, Amount Expected to be Collected within One Year Change order approval process, term within which expected to be completed (in years) Unapproved Change Orders, Expected Term For Approval Expected length of time within which an unapproved change order is approved by the customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Translation of Foreign Currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Investments in Affiliates and Other Entities Equity and Cost Method Investments, Policy [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Unincorporated Joint Ventures, Proportionate Consolidation Interest in Unincorporated Joint Ventures or Partnerships, Policy [Policy Text Block] Management Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Revenue Recognition, Percentage-of-Completion Method Revenue Recognition, Percentage-of-Completion Method [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Restricted Shares [Member] Restricted Stock [Member] Restricted Stock Units [Member] Restricted Stock Units (RSUs) [Member] Restricted Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Non-vested restricted shares, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Canceled/forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Non-vested restricted shares, ending balance (in shares) Per Share Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Non-vested restricted shares, per share weighted average grant date fair value, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Canceled/forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Non-vested restricted shares, per share weighted average grant date fair value, ending balance (in dollars per share) Schedule of Covered Employees and Contributions, Multiemployer Plans Schedule of Costs of Retirement Plans [Table Text Block] Schedule of Goodwill by Segment Schedule of Goodwill [Table Text Block] Rollforward of Other Intangible Assets Intangible Assets Disclosure [Text Block] Supplemental Guarantor Financial Information Condensed Financial Statements [Text Block] Immediate Family Member of Management or Principal Owner [Member] Immediate Family Member of Management or Principal Owner [Member] Cost Method Investment [Member] Cost-method Investments [Member] Cross Country Pipeline [Member] Cross Country Pipeline [Member] Cross Country Pipeline Supply, Inc. (business name) Financial Guarantees [Member] Financial Guarantee [Member] Fair Value, Financial Instruments Measured on a Non-Recurring Basis [Line Items] Aggregate carrying value, cost and equity method investment assets Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Number of joint ventures Number Of Joint Ventures Number of joint ventures in which the Company has an interest. Cost method investment, original cost Cost Method Investments, Original Cost Revenue, related parties Receivables, related parties Letters of credit issued Letters of credit issued, increase Letters of Credit Outstanding, Amount, Increase (Decrease) The increase (decrease) to the total amount of the contingent obligation under letters of credit outstanding as of the reporting date. Other long-term liabilities, equity method investments Equity method investments, earnings related to expected recoveries Unconsolidated affiliates, financing commitments, amounts repaid Proceeds from Collection of Advance to Affiliate Equity method investment, expected collection period (in months) ExpectedCollectionPeriod Period during which outstanding amounts owing to the Company are expected to be collected, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Construction projects, percentage complete Construction Projects, Percentage Complete For a construction project, represents the percentage of completion of the project as of a point in time. Segments and Related Information Segment Reporting Disclosure [Text Block] Net loss attributable to MasTec: Net Income (Loss) Attributable to Parent, Diluted [Abstract] Net loss - basic (in dollars) Net loss - diluted (in dollars) Net Income (Loss) Attributable to Parent, Diluted Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares outstanding - basic Weighted Average Number of Shares Outstanding, Basic Dilutive common stock equivalents (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares outstanding - diluted Weighted Average Number of Shares Outstanding, Diluted Capital Lease Obligations [Member] Capital Lease Obligations [Member] Notes Payable [Member] Notes Payable, Other Payables [Member] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Line of credit facility, maturity date Line of Credit Facility, Expiration Date Debt instrument, maturity date Debt Instrument, Maturity Date Capital lease obligations, expiration date, range, end Lease Expiration Date Notes payable, maturity date, range, end Debt Instrument, Maturity Date Range, End Carrying value of debt Capital lease obligations Capital Lease Obligations Total debt Long-term Debt and Capital Lease Obligations, Including Current Maturities Less unamortized deferred financing costs Deferred Finance Costs, Net Less current maturities Related Party Transactions Related Party Transactions Disclosure [Text Block] Fair Value Measurements, Non-Recurring [Member] Fair Value, Measurements, Nonrecurring [Member] Carrying Amount [Member] Reported Value Measurement [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] 4.875% Senior Notes (in dollars) Notes Payable, Fair Value Disclosure Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock-based compensation awards, unearned compensation Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Stock-based compensation awards, unearned compensation, weighted average expected recognition period (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Stock-based compensation, vested awards, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Lease and Rental Agreements [Member] Rebates from related party Condensed Unaudited Consolidating Statements of Operations and Comprehensive Income (Loss) Condensed Income Statement [Table Text Block] Condensed Unaudited Consolidating Balance Sheets Condensed Balance Sheet [Table Text Block] Condensed Unaudited Consolidating Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] EBITDA Reconciliation: Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract] Interest expense, net Depreciation and amortization Schedule of Carrying Values of Debt Schedule of Long-term Debt Instruments [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Other Guarantees [Table] Long-Duration Contracts, Assumptions, by Product and Guarantee [Table] Subsidiaries [Member] Subsidiaries [Member] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Warranty [Member] Warranty Obligations [Member] Minimum [Member] Other Guarantees [Line Items] Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items] Other guarantees, description Guarantor Obligations, Origin and Purpose General warranty, description Standard Product Warranty Description General warranty, period (in years) Fair Value Assumptions, Expected Term General warranty, accrued reserve (in dollars) Product Warranty Accrual Risks and Uncertainties [Abstract] Concentration Risk [Table] Concentration Risk [Table] Uninsured Risk [Member] Uninsured Risk [Member] Credit Concentration Risk [Member] Credit Concentration Risk [Member] Customer with Highest Net Accounts Receivable Position [Member] Customer With Highest Net Accounts Receivable Position1 [Member] Customer who accounted for the highest net accounts receivable position, subsequent to AT&T's acquisition of DIRECTV, which represents accounts receivable, net, less billings in excess of costs and earnings. Ten Largest Customers [Member] Ten Largest Customers1 [Member] Ten largest customers, subsequent to AT&T acquisition of DIRECTV. Concentration Risk [Line Items] Concentration Risk [Line Items] Number of customers Number Of Customers1 Number of customers Income Statement [Abstract] Interest expense, net Other income, net Benefit from income taxes Earnings per share (Note 2): Basic loss per share Earnings Per Share, Basic Basic weighted average common shares outstanding Diluted loss per share Earnings Per Share, Diluted Diluted weighted average common shares outstanding Property, Plant and Equipment [Abstract] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Accounts Receivable, Net of Allowance Accounts Receivable, Net, Current [Abstract] Contract billings Contract Receivable, Due in Next Twelve Months Retainage Contract Receivable Retainage, Next Twelve Months Costs and earnings in excess of billings Costs in Excess of Billings, Current Accounts receivable, gross Accounts Receivable, Gross, Current Less allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Accounts receivable, net Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Depreciation and Amortization: Depreciation, Depletion and Amortization [Abstract] Schedule of Property and Equipment, Net [Table] Property, Plant and Equipment [Table] Property and Equipment, Type [Axis] Property and Equipment, Type [Domain] Land [Member] Land [Member] Building and Leasehold Improvements [Member] Building and Building Improvements [Member] Machinery and Equipment [Member] Office Furniture and Equipment [Member] Furniture and Fixtures [Member] Construction in Progress [Member] Construction in Progress [Member] Property and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment Property, Plant and Equipment, Gross Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2016 Share Repurchase Program [Member] 2016 Share Repurchase Program [Member] Share repurchase plan authorized by the board of directors in February 2016. Equity, Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Share repurchase program, amount authorized, value (in dollars) Stock Repurchase Program, Authorized Amount Common stock repurchases (in shares) Treasury Stock, Shares, Acquired Schedule of Earnings Per Share Information Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Stock-based compensation plans, description Share-based Compensation Arrangement by Share-based Payment Award, Description Earnings Per Share Earnings Per Share [Text Block] Statement of Comprehensive Income [Abstract] Net loss Other comprehensive income (loss) (Note 11): Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation gains (losses), net of tax Unrealized losses on equity method investment activity, net of tax Comprehensive loss Comprehensive loss attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to MasTec, Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Stock-Based Compensation and Other Employee Benefit Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Condensed Unaudited Consolidating Statements of Cash Flows [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Net cash (used in) provided by operating activities Cash flows (used in) provided by investing activities: Cash flows provided by (used in) financing activities: Repayments of other borrowings and capital lease obligations Repayments of Other Debt Net financing activities and advances from (to) consolidated affiliates Net Financing Activities And Advances From (To) Consolidated Affiliates Net financing activities and advances from (to) consolidated affiliates. Schedule of Financial Information by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of EBITDA to Consolidated Loss before Income Taxes Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Schedule of Significant Customers, Revenue Concentration Information Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Performance and Payment Bonds [Member] Financial Guarantees [Member] Surety Bond [Member] Surety Bond [Member] Scenario [Axis] Scenario [Axis] Scenario [Domain] Scenario, Unspecified [Domain] Estimate [Member] Scenario, Plan [Member] Insurance Policies By Type [Axis] Insurance Product Line [Axis] Insurance Policies By Type [Domain] Insurance Product Line [Domain] Workers Compensation, General and Automobile Policies [Member] Property, Liability and Casualty Insurance Product Line [Member] Employee Group Medical Claims Policies [Member] Group Insurance Policies [Member] Workers Compensation [Member] Accident and Health Insurance Product Line [Member] Other Long-Term Liabilities [Member] Other Noncurrent Liabilities [Member] Other Long-Term Assets [Member] Other Noncurrent Assets [Member] Collateral [Axis] Collateral [Domain] Cash [Member] Cash [Member] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Axis] Multiemployer Plan Name [Domain] Multiemployer Plan Name [Domain] Central States Southeast And Southwest Areas Pension Fund [Member] Central States Southeast And Southwest Areas Pension Fund [Member] Central States Southeast And Southwest Areas Pension Fund Commitments and Contingencies [Line Items] Loss Contingencies [Line Items] Outstanding bonds, amount Bonded projects, costs to complete Contract Revenue Cost Self insurance reserve Self Insurance Reserve Self insurance reserve, non-current Self Insurance Reserve, Noncurrent Cash collateral deposited with insurance carriers Pledged Assets Separately Reported, Other Assets Pledged as Collateral, at Fair Value Multiemployer plans, withdrawal obligation Multiemployer Plans, Withdrawal Obligation Multiemployer plans, withdrawal obligation, payments Payments for Legal Settlements Debt instrument, guarantees Debt Instrument, Collateral Leases [Abstract] Lease Obligations Leases of Lessee Disclosure [Text Block] Schedule of Activity, Restricted Shares Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Activity, Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block] Schedule of Activity, Employee Stock Purchase Plans Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Schedule of Non-Cash Stock-Based Compensation Expense and Related Tax Benefits Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Equity Stockholders' Equity Note Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Property and Equipment [Member] Property, Plant and Equipment [Member] Capitalized internal-use software, gross Capitalized Computer Software, Gross Capitalized internal-use software, net Capitalized Computer Software, Net Debt Long-term Debt [Text Block] Capital Leases [Table] Schedule of Capital Leased Assets [Table] Capital Leases [Line Items] Capital Leased Assets [Line Items] Assets held under capital lease, gross Capital Leased Assets, Gross Assets held under capital lease, net Capital Leases, Balance Sheet, Assets by Major Class, Net Stock-based compensation awards, stock options, vested (percentage) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Stock options exercised, intrinsic value (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Stock options exercised, proceeds (in dollars) Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Condensed Financial Statements [Table] Condensed Financial Statements [Table] Condensed Unaudited Consolidating Financial Information [Line Items] Condensed Financial Statements, Captions [Line Items] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts Receivable, Net of Allowance [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Schedule of Accounts Receivable, Net of Allowance Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Axis] Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] Split Dollar Life Insurance [Member] Postretirement Life Insurance [Member] Chief Executive Officer [Member] Chief Executive Officer [Member] Payments for life insurance policies Payments to Acquire Life Insurance Policies Life insurance assets, carrying amount Bank Owned Life Insurance Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Preferred stock, shares outstanding Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Unvested restricted shares, included in shares issued Treasury stock, shares Treasury Stock, Shares General and Administrative Expenses [Member] General and Administrative Expense [Member] Income Tax Effects: Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] Income tax benefit from non-cash stock-based compensation Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Excess tax benefit from non-cash stock-based compensation Additional Shares That Became Available [Member] Scenario, Adjustment [Member] Shares available for grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill Accumulated Impairment Losses [Member] Reserve for Impairment of Intangible Assets [Member] Goodwill Gross Carrying Amount [Member] Goodwill [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill, currency translation gains (losses) Goodwill, Translation Adjustments Goodwill, additions from new business combinations Goodwill, Acquired During Period Goodwill, accruals of acquisition-related contingent consideration Goodwill, Other Changes Amortization expense, intangible assets Accounts Receivable, Net of Allowance Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Quarterly provision for income taxes, description Quarterly Financial Information, Income Taxes, Significant Variation, Description Current deferred tax assets, net Deferred Tax Assets, Net, Current Long-term deferred tax liabilities, net Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Lease Term in Excess of One Year [Member] Lease Term In Excess Of One Year [Member] Lease term in excess of one year. Lease Term of One Year or Less [Member] Lease Term Less Than One Year [Member] Lease term of one year or less. Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Operating leases, term of contract (in years) Lessee Leasing Arrangements, Operating Leases, Term of Contract Operating leases, rent expense (in dollars) Operating Leases, Rent Expense, Net Commitments and Contingencies Commitments Contingencies and Guarantees [Text Block] Nature of Expense [Axis] Nature of Expense [Axis] Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] Audit Committee Independent Investigation [Member] Audit Committee Investigation [Member] Audit Committee investigation related costs. Other Current Liabilities [Member] Other Current Liabilities [Member] Segment reporting information, factors used to identify entity's reportable segments Segment Reporting, Factors Used to Identify Entity's Reportable Segments Number of operating segments Number of Operating Segments Segment reporting information, description of products and services Segment Reporting Information, Description of Products and Services Segment reporting, description of all other segments Segment Reporting, Description of All Other Segments Restructuring charges (in dollars) Restructuring Charges Business combinations, acquisition integration costs (in dollars) Business Combination, Integration Related Costs General and administrative expenses (in dollars) Restructuring reserve, current (in dollars) Restructuring Reserve, Current Debt instrument, weighted average interest rate (percentage) Debt, Weighted Average Interest Rate Other Retirement Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Goodwill, gross carrying amount Goodwill, Gross Goodwill, accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Goodwill, net