Restructuring Charges - Restructuring Activities (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]
Liability, beginning balance			$ 577
Restructuring charges	$ (29)	$ 221	82	$ 1,322
Cash payments			(356)
Non-cash items			(18)
Liability, ending balance	285		285
Workforce Reduction [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance			449
Restructuring charges			80
Cash payments			(286)
Non-cash items			(22)
Liability, ending balance	221		221
Operating Lease Commitments [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance			113
Restructuring charges			0
Cash payments			(61)
Non-cash items			12
Liability, ending balance	64		64
Other [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance			15
Restructuring charges			2
Cash payments			(9)
Non-cash items			(8)
Liability, ending balance	$ 0		$ 0