Restructuring and Related Charges (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	$ 584
Provision	718
Payments for restructuring, severance and other charges	(1,126)
Balance at December 31, 2013	176
Severance and employment costs [Member] | Fiscal 2012 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	348
Provision	0
Payments for restructuring, severance and other charges	(348)
Balance at December 31, 2013	0
Severance and employment costs [Member] | Restructuring Plan Fiscal 2014 [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	0
Provision	686
Payments for restructuring, severance and other charges	(510)
Balance at December 31, 2013	176
Facilities costs [Member] | Fiscal 2009 Restructuring Plan [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	236
Provision	32
Payments for restructuring, severance and other charges	(268)
Balance at December 31, 2013	$ 0