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Restructuring Activities and Other Charges - Schedule of Restructuring Charges (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Restructuring Reserve [Roll Forward]        
Balance at December 31   $ 0    
Charges $ 3,000 1,053 $ 0 $ 4,322
Cash payments   (694)    
Balance at December 31   359 0  
Additional charges $ 1,300      
Employee Severance and Related Benefits        
Restructuring Reserve [Roll Forward]        
Balance at December 31   0 0 0
Charges   978   3,006
Cash payments   (694)   (382)
Non-cash settlements       (2,624)
Balance at December 31   284 0 $ 0
Lease and Contract Termination Costs        
Restructuring Reserve [Roll Forward]        
Balance at December 31   0    
Charges   75    
Cash payments   0    
Balance at December 31   $ 75 $ 0