| Three Months Ended | Year Ended | |||||||||||||||||||||||
| March 31, | December 31, | |||||||||||||||||||||||
| 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | |||||||||||||||||||
| EARNINGS: | ||||||||||||||||||||||||
| Income (loss) from continuing operations before provision (benefit) for incomes taxes | $ | (53,328 | ) | $ | 139,608 | $ | 84,773 | $ | 510,273 | $ | 218,561 | $ | 333,169 | |||||||||||
| Share of distributed income of equity method investments (net of equity method income or loss) | 14,738 | 1,482 | 13,699 | 419 | (974 | ) | $ | (548 | ) | |||||||||||||||
| Fixed charges | 37,723 | 137,297 | 123,571 | 104,830 | 79,519 | 57,499 | ||||||||||||||||||
| Total earnings (loss) | $ | (867 | ) | $ | 278,387 | $ | 222,043 | $ | 615,522 | $ | 297,106 | $ | 390,120 | |||||||||||
| FIXED CHARGES: | ||||||||||||||||||||||||
| Interest expense (1) | $ | 35,855 | $ | 131,192 | $ | 117,367 | $ | 99,748 | $ | 77,737 | $ | 55,849 | ||||||||||||
| Interest portion of rental expense | 1,868 | 6,105 | 6,204 | 5,082 | 1,782 | 1,650 | ||||||||||||||||||
| Total fixed charges | $ | 37,723 | $ | 137,297 | $ | 123,571 | $ | 104,830 | 79,519 | $ | 57,499 | |||||||||||||
| Ratio of earnings to fixed charges | * | 2.0 | 1.8 | 5.9 | 3.7 | 6.8 | ||||||||||||||||||
| (1) | Amortization of debt issuance costs is included in interest expense. | |
| (*) | For the three months year ended March 31, 2011, earnings were less than fixed charges and the coverage deficiency was $38,590. |
