Summary of Activity in Restructuring Accrual Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 4,482		$ 6,043		$ 20,980
Charged to expense	18,670	[1]	8,584	[1]	2,196	[1]
Paid	(15,455)		(10,394)		(13,873)
Other, net (primarily foreign currency translation)	(150)		249		(3,260)
Ending Balance	7,547		4,482		6,043
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Beginning Balance	3,188		4,593		17,325
Charged to expense	15,348		6,272		711
Paid	(11,730)		(7,710)		(10,246)
Other, net (primarily foreign currency translation)	(315)		33		(3,197)
Ending Balance	6,491		3,188		4,593
Other
Restructuring Cost and Reserve [Line Items]
Beginning Balance	1,294		1,450		3,655
Charged to expense	3,322		2,312		1,485
Paid	(3,725)		(2,684)		(3,627)
Other, net (primarily foreign currency translation)	165		216		(63)
Ending Balance	$ 1,056		$ 1,294		$ 1,450

[1] See Note 4 "Restructuring."