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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | 20. Quarterly Financial Data (Unaudited) The following is a summary of the unaudited quarterly results of operations for the years ended December 31, 2015 and 2014 (in thousands, except per share amounts).
|  | 2015 |
|  | March 31, |  |  | June 30, |  |  | September 30, |  |  | December 31, |
Revenue |  | $ | 213,866 |  |  | $ | 185,042 |  |  | $ | 187,102 |  |  | $ | 164,412 |
Operating expenses |  |  | 170,864 |  |  |  | 163,117 |  |  |  | 159,175 |  |  |  | 160,788 |
Gross margin |  |  | 43,002 |  |  |  | 21,925 |  |  |  | 27,927 |  |  |  | 3,624 |
Corporate general and administrative |  |  | 9,865 |  |  |  | 6,615 |  |  |  | 8,043 |  |  |  | 8,071 |
Operating income (loss) |  |  | 33,137 |  |  |  | 15,310 |  |  |  | 19,884 |  |  |  | (4,447 | )
Other (expense) income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  | (2,977 | ) |  |  | (2,848 | ) |  |  | (1,840 | ) |  |  | (1,237 | )
Gain on sale of operations, net |  |  | 56 |  |  |  | 45 |  |  |  | 5 |  |  |  | (22 | )
Other income (loss), net |  |  | 2,859 |  |  |  | (1,126 | ) |  |  | (1,673 | ) |  |  | 2,706 |
Total other (expense) income, net |  |  | (62 | ) |  |  | (3,929 | ) |  |  | (3,508 | ) |  |  | 1,447 |
Income (loss) from continuing operations before income tax expense (benefit) |  |  | 33,075 |  |  |  | 11,381 |  |  |  | 16,376 |  |  |  | (3,000 | )
Income tax expense (benefit) |  |  | 13,572 |  |  |  | 4,696 |  |  |  | 6,787 |  |  |  | (2,226 | )
Income (loss) from continuing operations |  |  | 19,503 |  |  |  | 6,685 |  |  |  | 9,589 |  |  |  | (774 | )
(Loss) income from operations of discontinued operations, net of tax |  |  | (335 | ) |  |  | (330 | ) |  |  | (561 | ) |  |  | (1,097 | )
(Loss) gain on disposal of discontinued operations, net of tax |  |  | — |  |  |  | 290 |  |  |  | 1,172 |  |  |  | (35 | )
Net income (loss) |  | $ | 19,168 |  |  | $ | 6,645 |  |  | $ | 10,200 |  |  | $ | (1,906 | )
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.41 |  |  | $ | 0.14 |  |  | $ | 0.19 |  |  | $ | (0.02 | )
Discontinued operations |  |  | (0.01 | ) |  |  | (0.01 | ) |  |  | 0.01 |  |  |  | (0.02 | )
Net income (loss) |  | $ | 0.40 |  |  | $ | 0.13 |  |  | $ | 0.20 |  |  | $ | (0.04 | )
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.38 |  |  | $ | 0.13 |  |  | $ | 0.18 |  |  | $ | (0.02 | )
Discontinued operations |  |  | (0.01 | ) |  |  | — |  |  |  | 0.01 |  |  |  | (0.02 | )
Net income (loss) |  | $ | 0.37 |  |  | $ | 0.13 |  |  | $ | 0.19 |  |  | $ | (0.04 | )
Basic weighted average common shares |  |  | 48,146 |  |  |  | 49,464 |  |  |  | 51,736 |  |  |  | 51,669 |
Diluted weighted average common shares |  |  | 51,385 |  |  |  | 52,024 |  |  |  | 54,445 |  |  |  | 51,669 |
|  | 2014 |
|  | March 31, |  |  | June 30, |  |  | September 30, |  |  | December 31, |
Revenue |  | $ | 204,726 |  |  | $ | 177,466 |  |  | $ | 180,269 |  |  | $ | 157,022 |
Operating expenses |  |  | 161,938 |  |  |  | 158,317 |  |  |  | 155,233 |  |  |  | 154,316 |
Gross margin |  |  | 42,788 |  |  |  | 19,149 |  |  |  | 25,036 |  |  |  | 2,706 |
Corporate general and administrative |  |  | 10,198 |  |  |  | 8,306 |  |  |  | 8,889 |  |  |  | 6,790 |
Operating income (loss) |  |  | 32,590 |  |  |  | 10,843 |  |  |  | 16,147 |  |  |  | (4,084 | )
Other (expense) income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  | (3,433 | ) |  |  | (3,577 | ) |  |  | (3,123 | ) |  |  | (2,991 | )
Gain on sale of operations, net |  |  | 8 |  |  |  | 68 |  |  |  | 17 |  |  |  | 1,210 |
Other income (loss), net |  |  | 1,975 |  |  |  | 3,936 |  |  |  | (1,368 | ) |  |  | 2,350 |
Total other (expense) income, net |  |  | (1,450 | ) |  |  | 427 |  |  |  | (4,474 | ) |  |  | 569 |
Income (loss) from continuing operations before income tax expense (benefit) |  |  | 31,140 |  |  |  | 11,270 |  |  |  | 11,673 |  |  |  | (3,515 | )
Income tax expense (benefit) |  |  | 13,114 |  |  |  | 4,824 |  |  |  | 4,353 |  |  |  | (2,137 | )
Income (loss) from continuing operations |  |  | 18,026 |  |  |  | 6,446 |  |  |  | 7,320 |  |  |  | (1,378 | )
(Loss) income from operations of discontinued operations, net of tax |  |  | (263 | ) |  |  | (312 | ) |  |  | (239 | ) |  |  | 60 |
(Loss) gain on disposal of discontinued operations, net of tax |  |  | (474 | ) |  |  | (27 | ) |  |  | 607 |  |  |  | (7 | )
Net income (loss) |  | $ | 17,289 |  |  | $ | 6,107 |  |  | $ | 7,688 |  |  | $ | (1,325 | )
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.37 |  |  | $ | 0.13 |  |  | $ | 0.15 |  |  | $ | (0.03 | )
Discontinued operations |  |  | (0.01 | ) |  |  | 0.00 |  |  |  | 0.01 |  |  |  | 0.00 |
Net income (loss) |  | $ | 0.36 |  |  | $ | 0.13 |  |  | $ | 0.16 |  |  | $ | (0.03 | )
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  | $ | 0.34 |  |  | $ | 0.12 |  |  | $ | 0.14 |  |  | $ | (0.03 | )
Discontinued operations |  |  | (0.01 | ) |  |  | 0.00 |  |  |  | 0.01 |  |  |  | 0.00 |
Net income (loss) |  | $ | 0.33 |  |  | $ | 0.12 |  |  | $ | 0.15 |  |  | $ | (0.03 | )
Basic weighted average common shares |  |  | 48,182 |  |  |  | 48,273 |  |  |  | 48,451 |  |  |  | 48,455 |
Diluted weighted average common shares |  |  | 52,618 |  |  |  | 52,052 |  |  |  | 51,209 |  |  |  | 48,455 |

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- Definition The entire disclosure for the quarterly financial data in the annual financial statements. The disclosure may include a tabular presentation of financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income or loss before extraordinary items and earnings per share data. It also includes an indication if the information in the note is unaudited, comments on the aggregate effect of year-end adjustments, and an explanation of matters or transactions that affect comparability or are pertinent to an understanding of the information furnished. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e765-108305 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=51655806&loc=d3e725-108305 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section G -Subsection 1 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 302 -Paragraph a + Details
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