Other Liabilities - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Other liabilities
Employee compensation and benefits	$ 19,756	$ 20,596
Liability for pension benefits	62,020	112,556
Liabilities for uncertain tax positions	10,670	12,534
Other	14,826	18,939
Other liabilities (less current portion)	$ 107,272	$ 164,625