Gains and Losses, Net of Tax, Reclassified from Accumulated Other Comprehensive Income into Income on Derivative Instruments Designated as Hedging Instruments (Detail) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	$ 1,606	$ 381	$ 1,870	$ (7)
Interest Rate Contract | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	(40)	(291)	(152)	(588)
Foreign Exchange Contract | Other Income and Expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	1,646	623	2,022	557
Foreign Exchange Contract | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income		$ 49		$ 24