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Exit Activity Costs and Asset Impairments (Reconciles of Liability for Exit Activity Costs Relating to Facility Consolidation Efforts) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Restructuring Reserve [Roll Forward]    
Beginning balance $ 3,744 $ 603
Exit activity costs recognized 3,919 788
Cash payments (4,617) (430)
Ending balance $ 3,046 $ 961