XML 54 R59.htm IDEA: XBRL DOCUMENT

Income Taxes - Summary of Components of Income Tax Provision (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Federal, Current									$ 134,938	$ 111,940	$ 113,290
Federal, Deferred									14,784	19,814	7,486
Federal income tax provision (benefit), Total									149,722	131,754	120,776
State, Current									17,037	13,980	13,895
State, Deferred									1,136	1,530	577
State income tax provision (benefit), Total									18,173	15,510	14,472
Income tax provision (benefit), Total	$ 44,423	$ 45,198	$ 42,876	$ 35,398	$ 36,382	$ 41,261	$ 38,709	$ 30,912	$ 167,895	$ 147,264	$ 135,248

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

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

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

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