Restructuring and Asset Impairment Charges Employee Separation and Other Cash Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 1,563	$ 0	$ 8,087	$ 397
Period charges	127	0	116	0
Payments through December 31	(1,052)	0	(7,565)	(397)
Ending balance December 31	638	0	638	0
North America [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	0	0	0	0
Period charges	0	0	0	0
Payments through December 31	0	0	0	0
Ending balance December 31	0	0	0	0
Other regions [Member]
Restructuring Reserve [Roll Forward]
Beginning balance	1,563	0	8,087	397
Period charges	127	0	116	0
Payments through December 31	(1,052)	0	(7,565)	(397)
Ending balance December 31	$ 638	$ 0	$ 638	$ 0