Note 8 Goodwill and Intangible Assets (Acquired Finite-Lived Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 24,000
Developed Intellectual Property [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	11,504
Finite-Lived Intangible Assets, Amortization Method	Straight-line
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	60 months
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	6,920
Finite-Lived Intangible Assets, Amortization Method	Accelerated
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	36 months
Contract Backlog [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	5,155
Finite-Lived Intangible Assets, Amortization Method	Straight-line
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	9 months
Noncompetition Agreement [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 421
Finite-Lived Intangible Assets, Amortization Method	Straight-line
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	60 months