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Earnings Per Share | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Share | Note 2 – Earnings Per Share Basic earnings or loss per share is computed by dividing net income attributable to MasTec by the weighted average number of common shares outstanding for the period, which excludes non-participating unvested restricted share awards. Diluted earnings per share is computed by dividing net income attributable to MasTec by the weighted average number of fully diluted shares, as calculated under the treasury stock method, which includes the potential effect of dilutive common stock equivalents, such as issued but unvested restricted shares. If the Company reports a loss, rather than income, the computation of diluted loss per share excludes the effect of dilutive common stock equivalents, as their effect would be anti-dilutive. The following table provides details underlying the Company’s earnings per share calculations for the periods indicated (in thousands):
| For the Years Ended December 31,
| 2020 |  | 2019 |  | 2018
Net income attributable to MasTec: |  |  |  |  |
Net income - basic and diluted (a) | $ | 322,848 |  |  | $ | 392,334 |  |  | $ | 259,659 |
Weighted average shares outstanding: |  |  |  |  |
Weighted average shares outstanding - basic | 72,799 |  |  | 75,185 |  |  | 78,695 |
Dilutive common stock equivalents (b) | 916 |  |  | 661 |  |  | 1,077 |
Weighted average shares outstanding - diluted | 73,715 |  |  | 75,846 |  |  | 79,772 |
(a) Calculated as total net income less amounts attributable to non-controlling interests. (b) For the year ended December 31, 2020, there were 43,989 anti-dilutive common stock equivalents, and for the years ended December 31, 2019 and 2018, anti-dilutive common stock equivalents were de minimis. The Company repurchased approximately 3.6 million shares of its common stock during the year ended December 31, 2020, as discussed in Note 11 - Equity. The effect of these repurchases on the Company’s weighted average shares outstanding for the year ended December 31, 2020 was a reduction of approximately 2.9 million shares, due to the timing of the repurchases. The effect of shares repurchased in 2018 on the Company’s weighted average shares outstanding for the years ended December 31, 2019 and 2018 was a reduction of 4.4 million shares and 2.8 million shares, respectively.

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