Fair Value Measurement (Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	$ 129	$ 65,384
Available for sale securities	8,249
Interest Rate Swap [Member]
Assets, Fair Value Disclosure [Abstract]
Interest rate swap contracts	1,611	1,471
Investments	7,533
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	34	762
Foreign Exchange Forward [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign currency derivatives	4,555	6,096
Liabilities, Fair Value Disclosure [Abstract]
Foreign currency derivatives	3,638	3,147
Other Contract [Member]
Assets, Fair Value Disclosure [Abstract]
Other derivatives	33,905	12,308
Level I [Member]
Assets, Fair Value Disclosure [Abstract]
Cash equivalents	129	65,384
Available for sale securities	8,249
Investments	7,533
Level II [Member] | Interest Rate Swap [Member]
Assets, Fair Value Disclosure [Abstract]
Interest rate swap contracts	1,611	1,471
Liabilities, Fair Value Disclosure [Abstract]
Interest rate swap contracts	34	762
Level II [Member] | Foreign Exchange Forward [Member]
Assets, Fair Value Disclosure [Abstract]
Foreign currency derivatives	4,555	6,096
Liabilities, Fair Value Disclosure [Abstract]
Foreign currency derivatives	3,638	3,147
Level II [Member] | Other Contract [Member]
Assets, Fair Value Disclosure [Abstract]
Other derivatives	6,061
Level III [Member] | Other Contract [Member]
Assets, Fair Value Disclosure [Abstract]
Other derivatives	$ 27,844	$ 12,308