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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Income tax provision	$ 11,637	$ 14,286	$ 16,210	$ 17,747
Effective income tax rate (as a percent)	36.50%	35.10%	36.80%	35.70%
Statutory U.S. income tax rate (as a percent)	35.00%	35.00%	35.00%	35.00%
Income taxes paid (refunds), net			$ (5,500)	$ 4,000

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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