Accrued Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Accrued Liabilities [Abstract]
Payroll and other compensation	$ 37,640	$ 35,008
Deferred revenue	23,424	1,710
Payable to Otto Männer Holding AG	20,001	0
Pension and other postretirement benefits	8,225	8,184
Accrued income taxes	13,593	5,573
Other	51,631	45,889
Accrued liabilities	$ 154,514	$ 96,364