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Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Consolidated Operating Results by Quarter | The table below sets forth the unaudited consolidated operating results by quarter for the years ended December 31, 2016 and 2015 (in thousands, except per share information).
|  | For the Three Months Ended |
|  | March 31, |  |  | June 30, |  |  | September 30, |  |  | December 31, |
2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 1,713,737 |  |  | $ | 1,792,430 |  |  | $ | 2,042,186 |  |  | $ | 2,102,966 |
Gross profit |  |  | 203,313 |  |  |  | 200,217 |  |  |  | 302,582 |  |  |  | 307,688 |
Net income |  |  | 20,859 |  |  |  | 16,729 |  |  |  | 74,152 |  |  |  | 88,358 |
Net income attributable to common stock |  |  | 20,496 |  |  |  | 16,562 |  |  |  | 73,742 |  |  |  | 87,583 |
Net income from continuing operations attributable to common stock |  |  | 20,496 |  |  |  | 16,562 |  |  |  | 73,137 |  |  |  | 88,530 |
Earnings per share from continuing operations attributable to common stock — basic and diluted |  | $ | 0.13 |  |  | $ | 0.11 |  |  | $ | 0.47 |  |  | $ | 0.57 |
2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 1,861,386 |  |  | $ | 1,872,340 |  |  | $ | 1,939,438 |  |  | $ | 1,899,272 |
Gross profit |  |  | 237,906 |  |  |  | 227,505 |  |  |  | 235,215 |  |  |  | 223,039 |
Net income (loss) |  |  | 58,185 |  |  |  | 49,565 |  |  |  | 218,956 |  |  |  | (4,882 | )
Net income (loss) attributable to common stock |  |  | 53,484 |  |  |  | 46,109 |  |  |  | 216,388 |  |  |  | (5,074 | )
Net income (loss) from continuing operations attributable to common stock |  |  | 47,689 |  |  |  | 32,007 |  |  |  | 43,176 |  |  |  | (2,586 | )
Earnings (loss) per share from continuing operations attributable to common stock — basic and diluted |  | $ | 0.22 |  |  | $ | 0.15 |  |  | $ | 0.23 |  |  | $ | (0.02 | )

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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/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=68076893&loc=d3e1280-108306 + Details
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