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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2014
Income Tax Disclosure [Abstract] |
Income before income taxes by geographic area | Income before income taxes by geographic area was as follows:
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
|  | (In thousands)
Domestic |  | $ | 174,964 |  |  | $ | 176,156 |  |  | $ | 153,292 |
Foreign |  | (10,564 | ) |  | 15,739 |  |  | 7,443 |
Total income before income taxes |  | $ | 164,400 |  |  | $ | 191,895 |  |  | $ | 160,735 |
Federal, state and foreign income taxes | Federal, state and foreign income taxes were as follows:
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
|  | (In thousands)
Federal: |  |  |  |  |  |
Current |  | $ | 49,590 |  |  | $ | 44,785 |  |  | $ | 38,129 |
Deferred |  | 22,549 |  |  | 19,773 |  |  | 14,926 |
State: |  |  |  |  |  |
Current |  | 4,849 |  |  | 4,231 |  |  | 3,956 |
Deferred |  | 727 |  |  | 2,026 |  |  | 1,783 |
Foreign: |  |  |  |  |  |
Current |  | 4,638 |  |  | 6,475 |  |  | 1,947 |
Deferred |  | (10,957 | ) |  | 613 |  |  | (215 | )
Provision for income taxes |  | $ | 71,396 |  |  | $ | 77,903 |  |  | $ | 60,526 |
Difference between the income tax computation by the company and the statutory body | Actual income tax expense differed from income tax expense computed by applying the U.S. federal statutory corporate tax rate of 35% to income before income taxes in 2014, 2013 and 2012 as follows:
|  | Year Ended December 31,
|  | 2014 |  | 2013 |  | 2012
|  | (In thousands)
Provision at the U.S. federal statutory rate |  | $ | 57,540 |  |  | $ | 67,163 |  |  | $ | 56,257 |
Increase (decrease) resulting from: |  |  |  |  |  |
State income tax, net of benefit for federal deduction |  | 5,267 |  |  | 4,228 |  |  | 3,455 |
Foreign income tax rate differential |  | (3,188 | ) |  | (538 | ) |  | (854 | )
Employment credits |  | (481 | ) |  | (421 | ) |  | (291 | )
Changes in valuation allowances |  | 9,507 |  |  | 2,713 |  |  | 183 |
Non-deductible goodwill |  | — |  |  | 1,355 |  |  | — |
Deductible goodwill |  | (10,209 | ) |  | — |  |  | — |
Non-deductible transaction costs |  | — |  |  | 1,064 |  |  | — |
Stock-based compensation |  | 245 |  |  | 282 |  |  | 201 |
Convertible debt redemption |  | 9,727 |  |  | — |  |  | — |
Other |  | 2,988 |  |  | 2,057 |  |  | 1,575 |
Provision for income taxes |  | $ | 71,396 |  |  | $ | 77,903 |  |  | $ | 60,526 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of these temporary differences representing deferred tax assets/liabilities resulted principally from the following:
|  | December 31,
|  | 2014 |  | 2013
|  | (In thousands)
Deferred tax assets: |  |  |  |
Loss reserves and accruals |  | $ | 50,158 |  |  | $ | 43,451 |
Interest rate swaps |  | 10,745 |  |  | 8,310 |
Convertible note hedge on 3.00% Notes |  | — |  |  | 12,547 |
Convertible note hedge on 2.25% Notes |  | — |  |  | 6,639 |
U.S. state net operating loss (“NOL”) carryforwards |  | 16,592 |  |  | 14,231 |
Foreign NOL carryforwards |  | 21,770 |  |  | 13,056 |
Deferred tax assets |  | 99,265 |  |  | 98,234 |
Valuation allowance on deferred tax assets |  | (40,486 | ) |  | (28,310 | )
Net deferred tax assets |  | $ | 58,779 |  |  | $ | 69,924 |
Deferred tax liabilities: |  |  |  |
Goodwill and intangible franchise rights |  | $ | (138,992 | ) |  | $ | (141,384 | )
Depreciation expense |  | (43,070 | ) |  | (39,285 | )
Discount on 3.00% Notes |  | — |  |  | (10,483 | )
Discount on 2.25% Notes |  | — |  |  | (7,846 | )
Deferred gain on bond redemption |  | (2,046 | ) |  | — |
Other |  | (1,936 | ) |  | (999 | )
Deferred tax liabilities |  | (186,044 | ) |  | (199,997 | )
Net deferred tax liability |  | $ | (127,265 | ) |  | $ | (130,073 | )

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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