Earnings Per Share - Calculation For Period (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Net income attributable to MasTec: | ||||
| Net income - basic | $ 150,566 | $ 160,660 | $ 341,523 | $ 256,329 |
| Net income - diluted | $ 150,566 | $ 160,660 | $ 341,523 | $ 256,329 |
| Weighted average shares outstanding: | ||||
| Weighted average shares outstanding - basic (in shares) | 79,077,000 | 77,702,000 | 78,372,000 | 77,857,000 |
| Dilutive common stock equivalents (in shares) | 743,000 | 946,000 | 771,000 | 815,000 |
| Weighted average shares outstanding - diluted (in shares) | 79,820,000 | 78,648,000 | 79,143,000 | 78,672,000 |
| Anti-dilutive common stock (in shares) | 2,000 | 1,000 | 139,000 | 12,000 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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