Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Activity Related to the intangible assets
Balance at beginning of period	$ 23,259		$ 16,890
Acquisition	11,850		10,870
Amortization	(5,694)	[1]	(3,175)	[1]
Balance at end of period	29,415		24,585
Customer Relationships [Member]
Activity Related to the intangible assets
Balance at beginning of period	7,805		6,327
Acquisition	9,450		3,500
Amortization	(3,075)	[1]	(1,420)	[1]
Balance at end of period	14,180		8,407
Trade Name & Contracts [Member]
Activity Related to the intangible assets
Balance at beginning of period	162		208
Acquisition	1,250		130
Amortization	(424)	[1]	(125)	[1]
Balance at end of period	988		213
Software Technology [Member]
Activity Related to the intangible assets
Balance at beginning of period	15,292		10,355
Acquisition	1,150		7,240
Amortization	(2,195)	[1]	(1,630)	[1]
Balance at end of period	$ 14,247		$ 15,965

[1] Amortization of the customer relationships and the trade name & contracts intangible assets is included in operating expenses and amortization of the software technology intangible assets is included in cost of revenue for software and hardware.