Derivative Instruments And Hedging Activities (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015 USD ($) country	Jun. 30, 2014	Jun. 30, 2015 USD ($) country	Jun. 30, 2014	Dec. 31, 2014 USD ($)
Derivative [Line Items]
Minimum number of countries for which entity has operations | country	50		50
Percentage of sales outside of the Americas during the period	58.00%	62.00%	59.00%	61.00%
Period of protection against the reduction in value caused by a fluctuation, minimum (in number of years)			1 year
Period of protection against the reduction in value caused by a fluctuation, maximum (in number of years)			3 years
Duration of derivative contracts entered into by the entity to hedge risk of loss			36 months		36 months
Foreign currency forward contracts notional amount	$ 136,889		$ 136,889		$ 199,113
Cost Of Sales [Member]
Derivative [Line Items]
Gains (losses) expected to be reclassified from AOCI to earnings			(1,900)
Forward Contracts [Member] | Net Sales [Member]
Derivative [Line Items]
Gains (losses) expected to be reclassified from AOCI to earnings			12,000
Forward Contracts [Member] | Operating Expense [Member]
Derivative [Line Items]
Gains (losses) expected to be reclassified from AOCI to earnings			(1,500)
Other Derivatives [Member]
Derivative [Line Items]
Foreign currency forward contracts notional amount	$ 81,000		$ 81,000		$ 78,000
Maximum [Member] | Forward Contracts [Member]
Derivative [Line Items]
Percentage of derivative risk hedged	100.00%		100.00%
Duration of derivative contracts entered into by the entity to hedge risk of loss			40 months
Maximum [Member] | Other Derivatives [Member]
Derivative [Line Items]
Percentage of derivative risk hedged	90.00%		90.00%
Duration of derivative contracts entered into by the entity to hedge risk of loss			120 days