Income Taxes (Tables)
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12 Months Ended |
Dec. 31, 2012
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Income Tax Disclosure [Abstract] |
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Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
A reconciliation of the statutory federal income tax rate to the effective income tax rate for the years ended December 31, 2012, 2011 and 2010 is as follows: | | | | | | | | | | | 2012 | | 2011 | | 2010 | Statutory federal income tax rate | 35.0 | % | | 35.0 | % | | 35.0 | % | State income tax rate, net of federal income tax effect | 4.8 |
| | 5.5 |
| | 4.0 |
| Section 199 deductions | (7.5 | ) | | — |
| | — |
| Other, net | 2.8 |
| | 1.4 |
| | 0.6 |
| Effective income tax rate | 35.1 | % | | 41.9 | % | | 39.6 | % |
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Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
The components of income tax expense for the years ended December 31, 2012, 2011 and 2010 are as follows (in thousands): | | | | | | | | | | | | | | 2012 | | 2011 | | 2010 | Current: | | | | | | Federal | $ | 65,054 |
| | $ | 76,637 |
| | $ | 51,502 |
| State | 20,597 |
| | 23,101 |
| | 13,704 |
| Total current | 85,651 |
| | 99,738 |
| | 65,206 |
| Deferred: | | | | | | Federal | 406 |
| | (48 | ) | | 3,470 |
| State | (901 | ) | | 988 |
| | (3,449 | ) | Total deferred | (495 | ) | | 940 |
| | 21 |
| Total | $ | 85,156 |
| | $ | 100,678 |
| | $ | 65,227 |
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Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
At December 31, 2012 and 2011, the net deferred income tax liability approximated (in thousands): | | | | | | | | | | 2012 | | 2011 | Deferred tax assets | $ | 22,935 |
| | $ | 21,586 |
| Deferred tax liabilities | (43,924 | ) | | (43,025 | ) | Net deferred income tax liability | $ | (20,989 | ) | | $ | (21,439 | ) |
The tax effect of temporary differences giving rise to significant portions of deferred tax assets and liabilities at December 31, 2012 and 2011 are presented below (in thousands): | | | | | | | | | | 2012 | | 2011 | Deferred tax assets: | | | | Intangibles | $ | 89 |
| | $ | 510 |
| Accrued compensation and benefits | 9,221 |
| | 8,286 |
| Property, equipment and technology, net | 570 |
| | 887 |
| Investment in affiliates | 7,933 |
| | 8,431 |
| Other | 5,122 |
| | 3,472 |
| Total deferred tax assets | 22,935 |
| | 21,586 |
| Deferred tax liabilities: | | | | Property, equipment and technology, net | (36,930 | ) | | (38,962 | ) | Investment in affiliates | (1,687 | ) | | (1,596 | ) | Prepaid | (996 | ) | | (968 | ) | Other | (4,311 | ) | | (1,499 | ) | Total deferred tax liabilities | (43,924 | ) | | (43,025 | ) | Net deferred tax liabilities | $ | (20,989 | ) | | $ | (21,439 | ) |
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Summary of Positions for which Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Table Text Block] |
A reconciliation of the beginning and ending uncertain tax positions, excluding interest and penalties, is as follows (in thousands): | | | | | | | | | | | | | | 2012 | | 2011 | | 2010 | Balance as of January 1 | $ | 12,185 |
| | $ | 3,165 |
| | $ | 2,815 |
| Gross increases on tax positions in prior period | 3,401 |
| | 9,186 |
| | 205 |
| Gross decreases on tax positions in prior period | (833 | ) | | (2,215 | ) | | (876 | ) | Gross increases on tax positions in current period | 4,740 |
| | 2,768 |
| | 1,136 |
| Lapse of statue of limitations | — |
| | (719 | ) | | (115 | ) | Balance as of December 31 | $ | 19,493 |
| | $ | 12,185 |
| | $ | 3,165 |
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