Restructuring and Related Charges (Details) $ in Thousands	9 Months Ended
	Dec. 31, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	$ 311
Provision	213
Payments for restructuring, severance and other charges	(305)
Balance at December 31, 2013	219
Severance and employment costs [Member] | Restructuring Plan Fiscal Two Zero One Five [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	311
Provision	170
Payments for restructuring, severance and other charges	(305)
Balance at December 31, 2013	176
Contract Termination [Member] | Restructuring Plan Fiscal Two Zero One Five [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	0
Provision	43
Payments for restructuring, severance and other charges	0
Balance at December 31, 2013	$ 43