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Costs Associated with Exit and Restructuring Activities - Restructuring Reserve Activity (Details 3) - June 2013 Plan and April 2014 Plan
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Restructuring reserve activity  
Restructuring liability at beginning $ 3,904
Restructuring and restructuring-related charges 15,195
Cost paid (18,273)
Restructuring liability at ending $ 826