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v3.3.1.900

Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Operating Loss Carryforwards [Line Items] |  |  |  |
Income tax provision | $ 106,256 | $ 103,528 | $ 82,286 |
Actual income tax rates | 38.10% | 37.40% | 35.90% |
Unrecognized income tax benefits | $ 4,761 | $ 5,203 | $ 3,116 |
Unrecognized income tax benefits, if recognized, that would favorably affect the effective income tax rate | 3,000 | 3,000 |  |
Accrued interest expense related to unrecognized income tax benefits | 400 | 300 |  |
Interest expense related to unrecognized income tax benefits recognized | 100 | 100 |  |
Reversal of accrued interest expense related to unrecognized income tax benefits | 100 | 100 |  |
Unrecognized income tax benefits to be recognized in the next twelve months | 4,100 |  |  |
Net deferred income tax asset | 120,627 | 112,183 |  |
Valuation allowance for deferred tax assets | 805 | 2,024 |  |
Cash and cash equivalents | 486,831 | 432,056 | $ 439,813 | $ 605,303
Other Long-Term Liabilities |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Income tax reserve | 5,200 | 5,500 |  |
Prepaid Expenses and Other |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net deferred income tax asset | 36,000 | 29,300 |  |
Other Assets |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net deferred income tax asset | 11,300 | 16,600 |  |
Other Long-Term Obligations |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net deferred income tax asset | 167,900 | $ 173,700 |  |
United Kingdom Subsidiary |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Trading and capital losses | 23,400 |  |  |
Undistributed foreign earnings | 21,900 |  |  |
Cash and cash equivalents | 46,500 |  |  |
Puerto Rico Subsidiary |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Undistributed foreign earnings | 1,400 |  |  |
Cash and cash equivalents | 3,000 |  |  |
Income tax expense from repatriation of foreign cash held | $ 500 |  |  |

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