Income Taxes (Tables)

9 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

Income Tax Expense

Income tax expense was as follows:

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2013			2012			2013			2012
Current income tax expense	$	9,959		$	18,114		$	37,983		$	55,631
Deferred income tax expense (benefit)	2,010			(1,043		)	271			(5,020		)
Income tax expense, as reported	$	11,969		$	17,071		$	38,254		$	50,611
Effective tax rate	16.5		%	22.5		%	17.9		%	22.2		%