Exhibit 12.1
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| Ratio of Earnings to Fixed Charges |
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| Year Ended December 31, |
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| 2008 |
| 2007 |
| 2006 |
| 2005 |
| 2004 |
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Pretax income from continuing operations |
| $ | 143,527 |
| $ | 560,235 |
| $ | 446,363 |
| $ | 326,908 |
| $ | 237,659 |
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Less: (Income) loss from equity method investments |
| 97,142 |
| (58,197 | ) | (38,318 | ) | (26,971 | ) | (1,265 | ) | |||||
Add: Fixed charges |
| 88,746 |
| 91,343 |
| 72,736 |
| 52,291 |
| 44,252 |
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Distributed equity method income |
| 80,487 |
| 53,612 |
| 46,033 |
| 16,565 |
| — |
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Earnings available for fixed charges |
| $ | 409,902 |
| $ | 646,993 |
| $ | 526,814 |
| $ | 368,793 |
| $ | 280,646 |
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Fixed charges: |
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Interest Expense |
| $ | 77,233 |
| $ | 81,535 |
| $ | 63,601 |
| $ | 41,599 |
| $ | 35,226 |
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FIN 48 Interest Expense |
| 346 |
| 116 |
| — |
| — |
| — |
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Amortization of debt issuance costs |
| 4,192 |
| 2,931 |
| 2,610 |
| 2,834 |
| 3,457 |
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Estimated portion of rental expense equivalent to interest |
| 6,975 |
| 6,761 |
| 6,525 |
| 7,858 |
| 5,569 |
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Total fixed charges |
| $ | 88,746 |
| $ | 91,343 |
| $ | 72,736 |
| $ | 52,291 |
| $ | 44,252 |
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Ratio of earnings to fixed charges |
| 4.6x |
| 7.1x |
| 7.2x |
| 7.1x |
| 6.3x |
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