Preferred Stock, Common Stock and Other Stockholders' Equity (Deficit) (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period	$ (49,101)	$ (49,912)	$ (4,192)
Net current period change	16,528	1,192	(45,720)
Amounts reclassified from AOCI	124	381
Balance at the end of the period	(32,697)	(49,101)	(49,912)
Currency Translation Adjustment
Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period	338	(6,615)	2,539
Net current period change	(2,048)	6,953	(9,154)
Amounts reclassified from AOCI	0	0
Balance at the end of the period	(1,710)	338	(6,615)
Cash Flow Hedges
Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period	(828)	0	0
Net current period change	(31)	(865)	0
Amounts reclassified from AOCI	558	37
Balance at the end of the period	(301)	(828)	0
Defined Benefit Plans
Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period	48,590	43,297	6,731
Net current period change	29,646	(4,627)	(36,566)
Amounts reclassified from AOCI	(761)	(666)
Balance at the end of the period	19,705	48,590	43,297
Income Taxes
Accumulated Other Comprehensive (Loss) Income
Balance at the beginning of the period	(21)	0	0
Net current period change	(11,039)	(269)	0
Amounts reclassified from AOCI	79	248
Balance at the end of the period	$ (10,981)	$ (21)	$ 0