Condensed Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Condensed Consolidated Statements Of Comprehensive Income (Loss) [Abstract]
Net (Loss)/Income	$ (3,217)	$ 1,653	$ 18,532
Other Comprehensive (Loss)/Income:
Unrealized Foreign Currency Translation (Loss)/Gain	(25)	40
Change in Fair Value of Derivatives	9	547
Change in Funding Status of Defined Benefit Plan	175	311
Comprehensive (Loss)/Income	$ (3,058)	$ 2,551	$ 29,538