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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table provides details of the Company’s earnings per share calculations for the periods indicated (in thousands, except per share amounts). The table below may contain summation differences due to rounding.
| For the Three Months Ended March 31,
| 2013 |  | 2012
Basic |  |  |
Net income attributable to MasTec: |  |  |
Net income from continuing operations | $ | 19,317 |  |  | $ | 11,695 |
Net (loss) income from discontinued operations | (947 | ) |  | 2,477 |
Basic net income attributable to MasTec | $ | 18,370 |  |  | $ | 14,172 |
Weighted average shares outstanding | 76,608 |  |  | 80,615 |
Basic earnings (loss) per share: |  |  |
Continuing operations | $ | 0.25 |  |  | $ | 0.15 |
Discontinued operations | (0.01 | ) |  | 0.03 |
Total basic earnings per share | $ | 0.24 |  |  | $ | 0.18 |
Diluted |  |  |
Net income attributable to MasTec: |  |  |
Basic net income from continuing operations | $ | 19,317 |  |  | $ | 11,695 |
Interest expense on Original 4.0% Notes, net of tax | 58 |  |  | 58 |
Interest expense on Original 4.25% Notes, net of tax | 19 |  |  | 19 |
Diluted net income from continuing operations | $ | 19,394 |  |  | $ | 11,772 |
Net (loss) income from discontinued operations | (947 | ) |  | 2,477 |
Diluted net income attributable to MasTec | $ | 18,447 |  |  | $ | 14,249 |
Shares: |  |  |
Basic weighted average shares outstanding | 76,608 |  |  | 80,615 |
Dilutive common stock equivalents | 785 |  |  | 813 |
Dilutive premium shares, New 4.0% Notes | 3,010 |  |  | 809 |
Dilutive premium shares, New 4.25% Notes | 2,885 |  |  | 858 |
Dilutive shares, Original 4.0% Notes | 612 |  |  | 612 |
Dilutive shares, Original 4.25% Notes | 194 |  |  | 194 |
Diluted weighted average shares outstanding | 84,094 |  |  | 83,901 |
Diluted earnings (loss) per share: |  |  |
Continuing operations | $ | 0.23 |  |  | $ | 0.14 |
Discontinued operations | (0.01 | ) |  | 0.03 |
Total diluted earnings per share | $ | 0.22 |  |  | $ | 0.17 |
Schedule of Convertible Debt, By Dilutive and Anti-Dilutive Classification | The following table, which may contain summation differences due to rounding, summarizes the principal amounts of the Company’s outstanding convertible notes for the periods indicated, including their respective classification within the computation of earnings per share for each period (in millions):
| For the Three Months Ended March 31,
| 2013 |  | 2012
Dilutive: |  |  |
New 4.0% Notes (1) | $ | 105.3 |  |  | $ | 105.3 |
New 4.25% Notes (1) | 97.0 |  |  | 97.0 |
Original 4.0% Notes (2) | 9.6 |  |  | 9.7 |
Original 4.25% Notes (2) | 3.0 |  |  | 3.0 |
Total principal amount, dilutive outstanding convertible notes | $ | 215.0 |  |  | $ | 215.0 |
(1)Dilutive shares associated with the New Convertible Notes are attributable to the premium over the respective conversion prices. (2)Dilutive shares associated with the Original Convertible Notes are attributable to the underlying principal amounts.
Schedule Of Convertible Debt Information | Details of the calculation underlying the number of premium shares included in the Company’s diluted share count for the periods indicated are as follows (in thousands, except per share amounts):
| As of and for the Three Months Ended March 31, 2013 |  | As of and for the Three Months Ended March 31, 2012
| New 4.0% Notes |  | New 4.25% Notes |  | New 4.0% Notes |  | New 4.25% Notes
Principal amount | $ | 105,322 |  |  | $ | 97,000 |  |  | $ | 105,322 |  |  | $ | 97,000 |
Conversion price per share | $ | 15.76 |  |  | $ | 15.48 |  |  | $ | 15.76 |  |  | $ | 15.48 |
Number of conversion shares, principal amount | 6,683 |  |  | 6,268 |  |  | 6,683 |  |  | 6,268 |
Weighted average actual per share price | $ | 28.68 |  |  | $ | 28.68 |  |  | $ | 17.93 |  |  | $ | 17.93 |
Excess over principal amount | $ | 86,316 |  |  | $ | 82,735 |  |  | $ | 14,512 |  |  | $ | 15,390 |
Weighted average equivalent premium shares | 3,010 |  |  | 2,885 |  |  | 809 |  |  | 858 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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