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SELECTED QUARTERLY FINANCIAL DATA (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | The following table contains quarterly financial information for fiscal years 2016 and 2015. The operating results for any quarter are not necessarily indicative of future period results.
| First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
Fiscal Year 2016 | (in thousands, except per share amounts)
Total revenue | $ | 354,868 |  |  | $ | 434,055 |  |  | $ | 425,720 |  |  | $ | 466,789 |
Gross profit(1) | 140,768 |  |  | 169,747 |  |  | 156,270 |  |  | 179,881 |
Operating income | 51,472 |  |  | 58,061 |  |  | 58,795 |  |  | 69,091 |
Net income attributable to common shareholders | 37,143 |  |  | 35,207 |  |  | 37,735 |  |  | 44,680 |
Earnings (loss) per common share |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Continuing operations attributable to common shareholders | $ | 0.80 |  |  | $ | 0.75 |  |  | $ | 0.79 |  |  | $ | 0.95 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | 0.01 |  |  | $ | — |
Net income attributable to common shareholders | $ | 0.80 |  |  | $ | 0.75 |  |  | $ | 0.80 |  |  | $ | 0.95 |
Diluted: |  |  |  |  |  |  |
Continuing operations attributable to common shareholders | $ | 0.78 |  |  | $ | 0.73 |  |  | $ | 0.78 |  |  | $ | 0.93 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | 0.01 |  |  | $ | — |
Net income attributable to common shareholders | $ | 0.78 |  |  | $ | 0.73 |  |  | $ | 0.79 |  |  | $ | 0.93 |
Fiscal Year 2015 |  |  |  |  |  |  |
Total revenue | $ | 320,414 |  |  | $ | 339,573 |  |  | $ | 349,465 |  |  | $ | 353,850 |
Gross profit(1) | 119,660 |  |  | 132,783 |  |  | 138,075 |  |  | 140,574 |
Operating income | 43,005 |  |  | 55,735 |  |  | 55,440 |  |  | 52,269 |
Net income attributable to common shareholders | 31,541 |  |  | 48,509 |  |  | 37,379 |  |  | 31,884 |
Earnings (loss) per common share |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Continuing operations attributable to common shareholders | $ | 0.67 |  |  | $ | 1.04 |  |  | $ | 0.81 |  |  | $ | 0.71 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (0.02 | )
Net income attributable to common shareholders | $ | 0.67 |  |  | $ | 1.04 |  |  | $ | 0.81 |  |  | $ | 0.69 |
Diluted: |  |  |  |  |  |  |
Continuing operations attributable to common shareholders | $ | 0.66 |  |  | $ | 1.02 |  |  | $ | 0.79 |  |  | $ | 0.69 |
Discontinued operations | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | (0.02 | )
Net income attributable to common shareholders | $ | 0.66 |  |  | $ | 1.02 |  |  | $ | 0.79 |  |  | $ | 0.67 |
(1) Gross profit is calculated as total revenues minus cost of revenue (excluding amortization of intangible assets).

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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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