Components of Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 48,905	$ 57,106	$ 61,905
State	5,954	8,449	4,039
Foreign	7,321	8,385	7,287
Current income tax provision	62,180	73,940	73,231
Deferred:
Federal	9,559	5,999	25,059
State	2,637	(610)	(883)
Foreign	(5,071)	(6,888)	(413)
Deferred income tax provision (benefit)	7,125	(1,499)	23,763
Provision for income taxes	$ 69,305	$ 72,441	$ 96,994