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Restructuring Charges (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Restructuring and Related Activities [Abstract]    
Restructuring, expected cost $ 9,300  
Restructuring Reserve [Roll Forward]    
Accrual, beginning balance 0  
Restructuring costs 7,323 $ 0
Utilization (4,130)  
Accrual, ending balance $ 3,193