Restructuring Charges (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restructuring Reserve [Roll Forward]
Liability, beginning balance			$ 0
Restructuring charges	(110)	999	1,101	1,092
Cash payments			(1,101)
Liability, ending balance	0		0
Workforce Reduction [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance			0
Restructuring charges			1,101
Cash payments			(1,101)
Liability, ending balance	0		0
Operating Lease Commitments [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning balance			0
Restructuring charges			0
Cash payments			0
Liability, ending balance	$ 0		$ 0