Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Jun. 30, 2013	Mar. 31, 2012
Intangible assets, other than capitalized software development costs
Gross carrying amount	$ 48,928	$ 48,928
Accumulated amortization	(17,753)	(15,912)
Net intangible assets	31,175	33,016	25,684	27,550
Customer Relationships [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	22,050	22,050
Accumulated amortization	(12,702)	(11,837)
Net intangible assets	9,348	10,213	12,074	13,128
Trade Name & Contracts [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	3,368	3,368
Accumulated amortization	(1,732)	(1,599)
Net intangible assets	1,636	1,769	826	906
Software Technology [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	23,510	23,510
Accumulated amortization	(3,319)	(2,476)
Net intangible assets	$ 20,191	$ 21,034	$ 12,784	$ 13,516