Derivative Instruments And Hedging Activities (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended											9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 EURO Currency [Member] Forward Contracts [Member]	Dec. 31, 2010 EURO Currency [Member] Forward Contracts [Member]	Sep. 30, 2011 British Pound Sterling [Member] Forward Contracts [Member]	Dec. 31, 2010 British Pound Sterling [Member] Forward Contracts [Member]	Sep. 30, 2011 Japanese Yen [Member] Forward Contracts [Member]	Dec. 31, 2010 Japanese Yen [Member] Forward Contracts [Member]	Sep. 30, 2011 Hungarian Forint [Member] Forward Contracts [Member]	Dec. 31, 2010 Hungarian Forint [Member] Forward Contracts [Member]	Sep. 30, 2011 Korean Won [Member] Forward Contracts [Member]	Sep. 30, 2011 Forward Contracts [Member] years	Sep. 30, 2011 Options Held [Member]	Sep. 30, 2010 Options Held [Member]	Sep. 30, 2011 Other Derivatives [Member]	Dec. 31, 2010 Other Derivatives [Member]
Number of countries where the entity have operations (in number of operations)	40		40
Percentage of sales outside of the Americas during the period	61.00%	56.00%	60.00%	57.00%
Period of protection against the reduction in value caused by a fluctuation, minimum (in number of years)														1
Period of protection against the reduction in value caused by a fluctuation, maximum (in number of years)														2
Percentage of derivative risk hedged														100.00%			90.00%
Duration of derivative contracts entered into by the entity to hedge risk of loss														40 months or less			120 days
Notional amount					$ 65,000,000	$ 28,300,000	$ 1,600,000	$ 6,000,000	$ 48,200,000	$ 18,400,000	$ 33,300,000	$ 33,400,000	$ 5,300,000		$ 0	$ 8,700,000
Foreign currency forward contract notional amount																	39,800,000	41,300,000
Duration of foreign currency forward contracts entered into by the entity to hedge risk of loss														up to 24 months
Estimated amount of reclassification of losses on derivative instruments from accumulated other comprehensive income to net sales														1,200,000
Estimated amount of reclassification of losses on derivative instruments from accumulated other comprehensive income to cost of sales														107,000
Estimated amount of reclassification of losses on derivative instruments from accumulated other comprehensive income to operating expenses														$ 49,000