Note 7 Goodwill and Intangible Assets (Identifiable Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 38,087	$ 14,087
Accumulated Amortization	21,740	11,194
Net Intangible Assets	16,347	2,893
Developed Intellectual Property [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	16,304	4,800
Accumulated Amortization	4,984	2,458
Net Intangible Assets	11,320	2,342
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	13,020	6,100
Accumulated Amortization	8,695	6,100
Net Intangible Assets	4,325	0
Contract Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	7,155	2,000
Accumulated Amortization	7,155	2,000
Net Intangible Assets	0	0
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	1,608	1,187
Accumulated Amortization	906	636
Net Intangible Assets	$ 702	$ 551