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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2012
Income Tax Disclosure [Abstract] |
Components Of The Provision For Income Taxes | The components of the provision for income taxes are as follows:
|  | Year Ended December 31,
(In thousands) |  | 2012 |  | 2011 |  | 2010
Current: |  |  |  |  |  |
Federal |  | $ | 74,074 |  |  | $ | 27,470 |  |  | $ | 34,255 |
State |  | 11,890 |  |  | 9,796 |  |  | 6,896 |
|  | 85,964 |  |  | 37,266 |  |  | 41,151 |
Deferred: |  |  |  |  |  |
Federal |  | 14,978 |  |  | 39,934 |  |  | 6,695 |
State |  | 2,704 |  |  | 3,414 |  |  | 929 |
|  | 17,682 |  |  | 43,348 |  |  | 7,624 |
Total provision for income taxes |  | $ | 103,646 |  |  | $ | 80,614 |  |  | $ | 48,775 |
Schedule Of Effective Income Tax Reconciliation Of The U.S. Statutory Federal Income Tax Rates | The following is a reconciliation of the U.S. statutory federal income tax rates with our effective income tax rates for 2012, 2011 and 2010:
|  | Year Ended December 31,
(In thousands) |  | 2012 |  | 2011 |  | 2010
Tax provision at statutory rate |  | $ | 95,584 |  |  | $ | 77,029 |  |  | $ | 43,549 |
State income taxes, net of federal benefit |  | 10,211 |  |  | 7,480 |  |  | 5,002 |
Meals and entertainment disallowance |  | 828 |  |  | 721 |  |  | 616 |
Tax credits |  | (2,609 | ) |  | (4,453 | ) |  | (744 | )
Other, net |  | (368 | ) |  | (163 | ) |  | 352 |
Total provision for income taxes |  | $ | 103,646 |  |  | $ | 80,614 |  |  | $ | 48,775 |
Schedule Of Deferred Tax Assets And Liabilities | Deferred tax assets and liabilities consist of the following:
|  | December 31,
(In thousands) |  | 2012 |  | 2011
Deferred tax assets: |  |  |  |
Claims and insurance reserves |  | $ | 32,499 |  |  | $ | 30,003 |
Allowance for doubtful accounts |  | 2,829 |  |  | 2,827 |
Accrued vacation |  | 12,399 |  |  | 9,339 |
Deferred compensation |  | 17,734 |  |  | 14,441 |
Other |  | 9,764 |  |  | 5,992 |
Total deferred tax assets |  | 75,225 |  |  | 62,602 |
Valuation allowance |  | (559 | ) |  | — |
Net deferred tax assets |  | 74,666 |  |  | 62,602 |
Deferred tax liabilities: |  |  |  |
Depreciation and amortization |  | (197,875 | ) |  | (169,309 | )
Unrecognized revenue |  | (8,171 | ) |  | (6,995 | )
Other |  | (1,752 | ) |  | (1,748 | )
Total deferred tax liabilities |  | (207,798 | ) |  | (178,052 | )
Net deferred tax liability |  | $ | (133,132 | ) |  | $ | (115,450 | )
Schedule Of Net Deferred Tax Liability | Our net deferred tax liability consists of the following:
|  | December 31,
(In thousands) |  | 2012 |  | 2011
Current deferred tax asset |  | $ | 20,054 |  |  | $ | 19,466 |
Noncurrent deferred tax liability |  | (153,186 | ) |  | (134,916 | )
Net deferred tax liability |  | $ | (133,132 | ) |  | $ | (115,450 | )

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