Fair Value Measurement (Schedule Of Assets and Liabilities Carried and Measured At Fair Value) (Details) - Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Investments	$ 51	$ 51
Assets, Derivatives	1	1
Liabilities, Derivatives	(375)	(156)
Total recorded at fair value	(323)	(104)
Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Investments	51	51
Total recorded at fair value	51	51
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Derivatives	1	1
Liabilities, Derivatives	(375)	(156)
Total recorded at fair value	$ (374)	$ (155)