Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Activity Related to the intangible assets
Balance at beginning of period	$ 23,259		$ 16,890
Acquisition	11,850		1,930
Amortization	(1,817)	[1]	(901)	[1]
Balance at end of period	33,292		17,919
Customer Relationships [Member]
Activity Related to the intangible assets
Balance at beginning of period	7,805		6,327
Acquisition	9,450		1,100
Amortization	(967)	[1]	(442)	[1]
Balance at end of period	16,288		6,985
Trade Name & Contracts [Member]
Activity Related to the intangible assets
Balance at beginning of period	162		208
Acquisition	1,250		0
Amortization	(127)	[1]	(40)	[1]
Balance at end of period	1,285		168
Software Technology [Member]
Activity Related to the intangible assets
Balance at beginning of period	15,292		10,355
Acquisition	1,150		830
Amortization	(723)	[1]	(419)	[1]
Balance at end of period	$ 15,719		$ 10,766

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