Costs Associated With Restructuring Activities - Liability Associated with Restructuring (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2016
USD ($)
Restructuring Reserve [Roll Forward]  
Beginning balance $ 5,926
Accruals 5,146
Payments (7,894)
Ending balance 3,178
Employee Separation/Relocation Costs  
Restructuring Reserve [Roll Forward]  
Beginning balance 5,754
Accruals 2,360
Payments (5,901)
Ending balance 2,213
Other Restructuring Costs  
Restructuring Reserve [Roll Forward]  
Beginning balance 172
Accruals 2,786
Payments (1,993)
Ending balance $ 965