Shareholders' Equity Gains and Losses, Net of Tax Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	$ 776	$ (1,729)	$ 384	$ (2,037)
Foreign Exchange Contract | Other expense (income), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	1,898	(1,687)	2,402	(2,097)
Foreign Exchange Contract | Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Reclassified from Accumulated OCI Into Income	$ (1,122)	$ (42)	$ (2,018)	$ 60