Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Mar. 31, 2015
Intangible assets, other than capitalized software development costs
Gross carrying amount	$ 50,728		$ 50,728
Accumulated amortization	(24,839)		(23,039)
Net intangible assets	25,889		27,689
Amortization	(1,800)	$ (1,841)
Operating Expense [Member]
Intangible assets, other than capitalized software development costs
Amortization	(897)	(998)
Cost of Revenue [Member]
Intangible assets, other than capitalized software development costs
Amortization	(903)	$ (843)
Customer Relationships [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	22,050		22,050
Accumulated amortization	(15,747)		(14,986)
Net intangible assets	6,303		7,064
Trade Name & Contracts [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	3,368		3,368
Accumulated amortization	(2,295)		(2,159)
Net intangible assets	1,073		1,209
Software Technology [Member]
Intangible assets, other than capitalized software development costs
Gross carrying amount	25,310		25,310
Accumulated amortization	(6,797)		(5,894)
Net intangible assets	$ 18,513		$ 19,416