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Quarterly Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2020
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Information (Unaudited) | The following table presents selected unaudited quarterly operating results for the years ended December 31, 2020 and 2019 (in millions, except per share data). The Company believes that all necessary adjustments have been included in the amounts stated below to present fairly the quarterly results when read in conjunction with the consolidated financial statements and notes thereto. The sum of the individual quarterly amounts to the full year amounts as disclosed below may contain slight summation differences due to rounding.
| For the 2020 Quarters Ended |  | For the 2019 Quarters Ended
| March 31 |  | June 30 |  | September 30 |  | December 31 |  | March 31 |  | June 30 |  | September 30 |  | December 31
Revenue | $ | 1,416.6 |  |  | $ | 1,569.3 |  |  | $ | 1,698.3 |  |  | $ | 1,636.8 |  |  | $ | 1,518.3 |  |  | $ | 1,939.0 |  |  | $ | 2,016.6 |  |  | $ | 1,709.3 |
Costs of revenue, excluding depreciation and amortization | $ | 1,226.3 |  |  | $ | 1,341.8 |  |  | $ | 1,380.5 |  |  | $ | 1,322.2 |  |  | $ | 1,312.0 |  |  | $ | 1,633.4 |  |  | $ | 1,690.6 |  |  | $ | 1,434.2 |
Net income | $ | 36.1 |  |  | $ | 56.8 |  |  | $ | 116.9 |  |  | $ | 112.9 |  |  | $ | 43.1 |  |  | $ | 120.2 |  |  | $ | 130.1 |  |  | $ | 100.7 |
Net income attributable to MasTec, Inc. | $ | 36.2 |  |  | $ | 57.0 |  |  | $ | 116.5 |  |  | $ | 113.1 |  |  | $ | 43.1 |  |  | $ | 119.7 |  |  | $ | 128.6 |  |  | $ | 100.9 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.48 |  |  | $ | 0.79 |  |  | $ | 1.61 |  |  | $ | 1.56 |  |  | $ | 0.57 |  |  | $ | 1.59 |  |  | $ | 1.71 |  |  | $ | 1.34 |
Diluted | $ | 0.48 |  |  | $ | 0.78 |  |  | $ | 1.59 |  |  | $ | 1.54 |  |  | $ | 0.57 |  |  | $ | 1.58 |  |  | $ | 1.69 |  |  | $ | 1.33 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121640914&loc=d3e1280-108306 + Details
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