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Unaudited Quarterly Financial Results (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Unaudited Quarterly Financial Information |
|  | 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 |
|  | Quarter Ended |  | Year Ended Dec. 31,
2014 |  | Mar. 31, |  | June 30, |  | Sept. 30, |  | Dec. 31, |
|  | (in thousands, except per share amounts) |  |
Revenues |  | $ | 406,851 |  |  | $ | 434,424 |  |  | $ | 442,443 |  |  | $ | 441,023 |  |  | $ | 1,724,741 |
Gross profit |  | 128,155 |  |  | 141,905 |  |  | 144,838 |  |  | 142,537 |  |  | 557,435 |
Income from continuing operations |  | 13,605 |  |  | 19,641 |  |  | 20,723 |  |  | 19,526 |  |  | 73,495 |
Income from discontinued operations, net of income taxes |  | 312 |  |  | 1,148 |  |  | 1,282 |  |  | 947 |  |  | 3,689 |
Net income |  | $ | 13,917 |  |  | $ | 20,789 |  |  | $ | 22,005 |  |  | $ | 20,473 |  |  | $ | 77,184 |
Basic earnings per common share: |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.25 |  |  | $ | 0.36 |  |  | $ | 0.39 |  |  | $ | 0.38 |  |  | $ | 1.38 |
Discontinued operations |  | 0.01 |  |  | 0.02 |  |  | 0.02 |  |  | 0.01 |  |  | 0.06 |
Net income |  | $ | 0.26 |  |  | $ | 0.38 |  |  | $ | 0.41 |  |  | $ | 0.39 |  |  | $ | 1.44 |
Diluted earnings per common share: |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.25 |  |  | $ | 0.36 |  |  | $ | 0.38 |  |  | $ | 0.37 |  |  | $ | 1.35 |
Discontinued operations |  | — |  |  | 0.02 |  |  | 0.03 |  |  | 0.02 |  |  | 0.07 |
Net income |  | $ | 0.25 |  |  | $ | 0.38 |  |  | $ | 0.41 |  |  | $ | 0.39 |  |  | $ | 1.42 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
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