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Restructuring and Asset Impairment Charges Employee Separation and Other Cash Charges (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Restructuring Reserve [Roll Forward]    
Beginning balance $ 398 $ 8,087
Period charges 41 375
Payments through June 30 (340) (1,246)
Ending balance June 30 99 7,216
North America    
Restructuring Reserve [Roll Forward]    
Beginning balance 0 0
Period charges 0 0
Payments through June 30 0 0
Ending balance June 30 0 0
Other Regions    
Restructuring Reserve [Roll Forward]    
Beginning balance 398 8,087
Period charges 41 375
Payments through June 30 (340) (1,246)
Ending balance June 30 $ 99 $ 7,216