Derivative Instruments And Hedging (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Estimated net amount of gains expected to be reclassified out of accumulated other comprehensive income and into earnings within next 12 months	$ 3,000,000
General duration of foreign currency exchange contracts	24 months
Credit Facility borrowings hedged	80,000,000
Notional Amount of Foreign Currency Exchange Contracts	216,000,000	168,300,000
Interest Rate Swap Effective On March 30, 2012 [Member]
Derivative [Line Items]
Fixed portion of interest rate associated with interest rate swap	1.36%
Credit Facility borrowings hedged	40,000,000
Interest Rate Swap Effective On March 28, 2013 [Member]
Derivative [Line Items]
Fixed portion of interest rate associated with interest rate swap	1.64%
Credit Facility borrowings hedged	$ 40,000,000