Restructuring and Asset Impairment Charges Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	$ 0	$ 500	$ 2,573	$ 500
Global Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Severance costs	$ (386)		(11)
Asset impairment charges			$ 2,573