Derivative Instruments And Hedging Activities (Fair Values Of Derivative Instruments On Consolidated Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	$ 747	$ 310	$ 4,632	$ 3,156
Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	839	(330)	1,362	(568)
Cash Flow Hedging [Member] | Foreign Exchange Contracts - Forwards And Options [Member] | Net Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	1,281	(71)	1,743	(467)
Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	728	(983)	1,204	(1,740)
Cash Flow Hedging [Member] | Foreign Exchange Contracts - Forwards And Options [Member] | Cost Of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	(377)	326	1,871	2,480
Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	103	376	95	750
Cash Flow Hedging [Member] | Foreign Exchange Contracts - Forwards And Options [Member] | Operating Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in OCI on Derivative (Effective Portion)	(157)	55	1,018	1,143
Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	8	277	63	422
Derivatives Not Designated As Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	794	(1,110)	(236)	(2,103)
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contracts - Forwards And Options [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Income	$ 794	$ (1,110)	$ (236)	$ (2,103)