Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements Of Comprehensive Income [Abstract]
Net (Loss) Income	$ (54,699)us-gaap_NetIncomeLoss	$ 18,532us-gaap_NetIncomeLoss	$ 21,962us-gaap_NetIncomeLoss
Other Comprehensive Income (Loss):
Unrealized Foreign Currency Translation Loss	(250)	(64)	95
Unrealized Holding Gain on Marketable Securities			(128)
Change in Fair Value of Derivatives	614	3,073	1,243
Change in Funding Status of Defined Benefit Plan	(2,844)	8,027	(2,209)
Comprehensive (Loss) Income	$ (57,179)us-gaap_ComprehensiveIncomeNetOfTax	$ 29,568us-gaap_ComprehensiveIncomeNetOfTax	$ 20,963us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References+ Details