Components of the Provision for Income Taxes from Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
U.S. federal	$ 23,412	$ 34,870	$ 21,848
U.S. state	2,788	5,151	3,795
Foreign	69,954	59,397	62,196
Total	96,154	99,418	87,839
Deferred:
U.S. federal	(128,832)	(29,664)	3,067
U.S. state	11,730	(4,089)	1,062
Foreign	29,868	(54,649)	(2,743)
Total	(87,234)	(88,402)	1,386
Provision for income taxes	$ 8,920	$ 11,016	$ 89,225