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Restructuring - Schedule of Restructuring Activities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			12 Months Ended
	Mar. 31, 2015	Jun. 30, 2014	Sep. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Liability, Beginning of Period		$ 0us-gaap_RestructuringReserve		$ 0us-gaap_RestructuringReserve	$ 548us-gaap_RestructuringReserve
Restructuring charges	4,100us-gaap_RestructuringCharges	1,200us-gaap_RestructuringCharges	1,000us-gaap_RestructuringCharges	5,421us-gaap_RestructuringCharges	1,134us-gaap_RestructuringCharges	6,435us-gaap_RestructuringCharges
Cash payments				(2,214)us-gaap_PaymentsForRestructuring	(1,410)us-gaap_PaymentsForRestructuring
Non-cash items				(2,630)	(272)
Liability, End of Period	577us-gaap_RestructuringReserve			577us-gaap_RestructuringReserve	0us-gaap_RestructuringReserve	548us-gaap_RestructuringReserve
Workforce Reduction
Restructuring Reserve [Roll Forward]
Liability, Beginning of Period		0		0	548
Restructuring charges				2,613	862
Cash payments				(2,160)	(1,410)
Non-cash items				(4)	0
Liability, End of Period	449			449	0
Operating Lease Commitments
Restructuring Reserve [Roll Forward]
Liability, Beginning of Period		0		0	0
Restructuring charges				126	0
Cash payments				(33)	0
Non-cash items				20	0
Liability, End of Period	113			113	0
Asset Impairment and Other
Restructuring Reserve [Roll Forward]
Liability, Beginning of Period		0		0	0
Restructuring charges				2,682	272
Cash payments				(21)	0
Non-cash items				(2,646)	(272)
Liability, End of Period	$ 15			$ 15	$ 0