Gains and Losses, Net of Tax, Reclassified from Accumulated Other Comprehensive Income into Income (Loss) on Derivative Instruments Designated as Hedging Instruments (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	$ (2,493)	$ 1,328	$ (5,996)	$ 3,198
Interest rate contracts | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income				(152)
Foreign currency contracts | Other expense (income) net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	(2,028)	1,328	(5,644)	3,350
Foreign currency contracts | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	$ (465)		$ (352)