Note 9 Pension Plans (Net Period Cost) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service Cost	$ 108	$ 96	$ 84
Interest Cost on Projected Benefit Obligation	1,886	1,890	2,049
Expected Return on Plan Assets	(1,685)	(1,517)	(1,713)
Recognized Actuarial Loss	236	167	70
Net Periodic Pension Expense	$ 545	$ 636	$ 490