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Unaudited Quarterly Financial Results | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Unaudited Quarterly Result | Unaudited Quarterly Results The following tables present unaudited quarterly financial information. In the opinion of the Company’s management, the quarterly information contains all adjustments, consisting only of normal recurring accruals, necessary for a fair presentation thereof. The operating results for any quarter are not necessarily indicative of the results for any future periods.
|  | Quarter Ended |  | Year Ended Dec. 31,
2016 |  | Mar. 31, |  | June 30, |  | Sept. 30, |  | Dec. 31,(1) |
|  | (in thousands, except per share amounts) |  |
Revenues |  | $ | 582,040 |  |  | $ | 608,088 |  |  | $ | 629,401 |  |  | $ | 620,884 |  |  | $ | 2,440,413 |
Gross profit |  | 187,782 |  |  | 202,086 |  |  | 207,120 |  |  | 198,195 |  |  | 795,183 |
Income from continuing operations |  | 17,348 |  |  | 26,013 |  |  | 29,775 |  |  | 24,060 |  |  | 97,196 |
Income from discontinued operations, net of income taxes |  | 53 |  |  | (9 | ) |  | (7 | ) |  | (32 | ) |  | 5 |
Net income |  | $ | 17,401 |  |  | $ | 26,004 |  |  | $ | 29,768 |  |  | $ | 24,028 |  |  | $ | 97,201 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.33 |  |  | $ | 0.49 |  |  | $ | 0.56 |  |  | $ | 0.45 |  |  | $ | 1.83 |
Discontinued operations |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Net income |  | $ | 0.33 |  |  | $ | 0.49 |  |  | $ | 0.56 |  |  | $ | 0.45 |  |  | $ | 1.83 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.32 |  |  | $ | 0.48 |  |  | $ | 0.55 |  |  | $ | 0.45 |  |  | $ | 1.81 |
Discontinued operations |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Net income |  | $ | 0.32 |  |  | $ | 0.48 |  |  | $ | 0.55 |  |  | $ | 0.45 |  |  | $ | 1.81 |
|  | Quarter Ended |  | Year Ended Dec. 31,
2015 |  | Mar. 31, |  | June 30, |  | Sept. 30, |  | Dec. 31, |
|  | (in thousands, except per share amounts) |  |
Revenues |  | $ | 430,045 |  |  | $ | 485,323 |  |  | $ | 572,123 |  |  | $ | 577,517 |  |  | $ | 2,065,008 |
Gross profit |  | 135,875 |  |  | 158,534 |  |  | 191,404 |  |  | 192,932 |  |  | 678,745 |
Income from continuing operations |  | 13,023 |  |  | 14,335 |  |  | 24,891 |  |  | 19,173 |  |  | 71,422 |
Income from discontinued operations, net of income taxes |  | 26,112 |  |  | (83 | ) |  | 34 |  |  | 165 |  |  | 26,228 |
Net income |  | $ | 39,135 |  |  | $ | 14,252 |  |  | $ | 24,925 |  |  | $ | 19,338 |  |  | $ | 97,650 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.25 |  |  | $ | 0.28 |  |  | $ | 0.47 |  |  | $ | 0.36 |  |  | $ | 1.37 |
Discontinued operations |  | 0.51 |  |  | (0.01 | ) |  | — |  |  | 0.01 |  |  | 0.50 |
Net income |  | $ | 0.76 |  |  | $ | 0.27 |  |  | $ | 0.47 |  |  | $ | 0.37 |  |  | $ | 1.87 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.25 |  |  | $ | 0.27 |  |  | $ | 0.47 |  |  | $ | 0.36 |  |  | $ | 1.35 |
Discontinued operations |  | 0.50 |  |  | — |  |  | — |  |  | — |  |  | 0.49 |
Net income |  | $ | 0.75 |  |  | $ | 0.27 |  |  | $ | 0.47 |  |  | $ | 0.36 |  |  | $ | 1.84 |
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(1) | The fourth quarter of 2016 includes out of period adjustments of $5.6 million for costs of services that were understated in prior quarters. As a result, the fourth quarter of 2016 costs of services are overstated by $5.6 million and gross profit, net income and diluted earnings per common share are understated by $5.6 million, $3.4 million and $0.06, respectively. Prior periods were not revised, as the impact on prior periods is immaterial. These adjustments were the cumulative effect of the immaterial misstatements spanning the previous six quarters. Of the total adjustments, $2.8 million related to 2015.

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