Fair Value Measurement (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	$ 38,041	$ 63,029
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	7,550	12,713
Level I [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	38,041	63,029
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	0	0
Level II [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	0	0
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	7,550	12,713
Level III [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	0	0
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	0	0
Foreign Exchange Forward [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure	3,223
Liabilities, Fair Value Disclosure [Abstract]
Foreign Currency Contracts, Liability, Fair Value Disclosure	1,879
Foreign Exchange Forward [Member] | Level I [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure	0
Liabilities, Fair Value Disclosure [Abstract]
Foreign Currency Contracts, Liability, Fair Value Disclosure	0
Foreign Exchange Forward [Member] | Level II [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure	3,223
Liabilities, Fair Value Disclosure [Abstract]
Foreign Currency Contracts, Liability, Fair Value Disclosure	1,879
Foreign Exchange Forward [Member] | Level III [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure	0
Liabilities, Fair Value Disclosure [Abstract]
Foreign Currency Contracts, Liability, Fair Value Disclosure	0
Foreign Exchange Option [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure		2,577
Foreign Exchange Option [Member] | Level I [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure		0
Foreign Exchange Option [Member] | Level II [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure		2,577
Foreign Exchange Option [Member] | Level III [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign Currency Contract, Asset, Fair Value Disclosure		$ 0