Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2014
Intangible assets, other than capitalized software development costs
Gross carrying amount	$ 48,928		$ 48,928
Accumulated amortization	(19,520)		(15,912)
Net intangible assets	29,408		33,016
Amortization	(3,608)	(4,062)
Operating Expense [Member]
Intangible assets, other than capitalized software development costs
Amortization	(1,906)	(2,332)
Cost of Revenue [Member]
Intangible assets, other than capitalized software development costs
Amortization	(1,702)	(1,730)
Customer Relationships [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	22,050		22,050
Accumulated amortization	(13,463)		(11,837)
Net intangible assets	8,587		10,213
Trade Name & Contracts [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	3,368		3,368
Accumulated amortization	(1,879)		(1,599)
Net intangible assets	1,489		1,769
Software Technology [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	23,510		23,510
Accumulated amortization	(4,178)		(2,476)
Net intangible assets	$ 19,332		$ 21,034