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Restructuring and Asset Impairment Charges (Details) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Restructuring Reserve [Roll Forward]    
Beginning balance $ 8,087 $ 397
Severance charges 375 0
Total period charges 375 0
Payments through June 30 (1,246) (296)
Ending balance 7,216 101
Asset impairment and other non-cash charges 2,573 0
Total restructuring and asset impairment charges for the period $ 2,948 $ 0