SUPPLEMENTAL FINANCIAL INFORMATION BY QUARTER (UNAUDITED) (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Total revenues | $ 926,096,000 | $ 779,771,000 | $ 763,962,000 | $ 766,017,000 | $ 783,857,000 | $ 688,840,000 | $ 821,079,000 | $ 653,124,000 | $ 712,155,000 | $ 633,904,000 | $ 726,573,000 | $ 622,758,000 | $ 3,235,846,000 | $ 2,946,900,000 | $ 2,695,390,000 | |
| Operating income | 32,479,000 | 65,524,000 | 55,604,000 | 59,251,000 | 75,292,000 | 35,539,000 | 94,173,000 | 32,053,000 | 60,622,000 | 28,514,000 | 68,397,000 | 17,539,000 | 212,858,000 | 237,057,000 | 175,072,000 | |
| Earnings from continuing operations | $ 41,617,000 | $ 12,178,000 | $ 43,923,000 | $ 6,138,000 | 29,819,000 | 7,376,000 | 31,414,000 | (4,842,000) | 111,667,000 | 103,856,000 | 63,767,000 | |||||
| Gain (loss) from discontinued operations, net of income taxes | (21,000) | 334,000 | 313,000 | |||||||||||||
| Net earnings | $ 28,973,000 | $ 30,436,000 | $ 23,967,000 | $ 28,291,000 | $ 29,819,000 | $ 7,376,000 | $ 31,393,000 | $ (4,508,000) | $ 111,667,000 | $ 103,856,000 | $ 64,080,000 | |||||
| Basic earnings per share: | ||||||||||||||||
| Earnings from continuing operations | $ 0.29 | $ 0.31 | $ 0.24 | $ 0.29 | $ 0.31 | $ 0.08 | $ 0.32 | $ (0.05) | $ 1.13 | $ 1.06 | $ 0.65 | |||||
| Earnings from discontinued operations | 0.01 | |||||||||||||||
| Basic earnings per share | $ 0.42 | $ 0.12 | $ 0.45 | $ 0.06 | 0.31 | 0.08 | 0.32 | (0.05) | 1.13 | 1.06 | 0.66 | |||||
| Diluted earnings per shares: | ||||||||||||||||
| Earnings from continuing operations | $ 0.29 | $ 0.31 | $ 0.24 | $ 0.29 | 0.30 | 0.08 | 0.32 | (0.05) | 1.13 | 1.06 | 0.65 | |||||
| Earnings from discontinued operations | 0.01 | |||||||||||||||
| Diluted earnings per share | $ 0.42 | $ 0.12 | $ 0.45 | $ 0.06 | $ 0.30 | $ 0.08 | $ 0.32 | $ (0.05) | $ 1.13 | $ 1.06 | $ 0.66 | |||||
| Other disclosures | ||||||||||||||||
| Loss (gain) on redemption of notes | $ (8,386,000) | |||||||||||||||
| Income tax provision | $ 19,200,000 | $ 37,972,000 | $ 59,675,000 | 33,470,000 | ||||||||||||
| Transaction bonus | 10,000,000 | |||||||||||||||
| 8.75% Senior Notes due 2019 | ||||||||||||||||
| Other disclosures | ||||||||||||||||
| Loss (gain) on redemption of notes | $ 8,386,000 | |||||||||||||||
| 9.75% Senior Subordinated Notes due 2020 | ||||||||||||||||
| Other disclosures | ||||||||||||||||
| Loss (gain) on redemption of notes | 9,318,000 | |||||||||||||||
| Senior Secured Credit Facility | ||||||||||||||||
| Other disclosures | ||||||||||||||||
| Loss (gain) on redemption of notes | $ 1,366,000 | $ (130,000) | ||||||||||||||
| Other General and Administrative Expenses | ||||||||||||||||
| Other disclosures | ||||||||||||||||
| Litigation settlement amount | $ 7,000,000 | |||||||||||||||