Components of the Provision for Income Taxes from Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current:
U.S. federal	$ 34,870	$ 21,848	$ 30,851
U.S. state	5,151	3,795	5,886
Foreign	59,397	62,196	52,012
Total	99,418	87,839	88,749
Deferred:
U.S. federal	(29,664)	3,067	(8,046)
U.S. state	(4,089)	1,062	(476)
Foreign	(54,649)	(2,743)	8,717
Total	(88,402)	1,386	195
Provision for income taxes	$ 11,016	$ 89,225	$ 88,944