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Other Liabilities
 12 Months Ended
Dec. 31, 2012
Other Liabilities Disclosure [Abstract]  
Other Liabilities
Other Liabilities
Other liabilities consisted of the following:
 
 
As of December 31,
(in thousands)
 
2012
 
2011
Employee compensation and benefits
 
$
20,596

 
$
15,918

Liability for pension benefits
 
112,556

 
78,170

Liabilities for uncertain tax positions
 
12,534

 
16,687

Other
 
18,939

 
21,604

Other liabilities (less current portion)
 
$
164,625

 
$
132,379