XML 38 R97.htm IDEA: XBRL DOCUMENT

Income Taxes - Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Current income tax expense	$ 15,830us-gaap_CurrentIncomeTaxExpenseBenefit	$ 14,029us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit)	(3,748)us-gaap_DeferredIncomeTaxExpenseBenefit	(1,933)us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense, as reported	$ 12,082us-gaap_IncomeTaxExpenseBenefit	$ 12,096us-gaap_IncomeTaxExpenseBenefit
Effective tax rate	14.30%	16.50%

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.