Note 10 Pension Plans (Net Periodic Pension Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service Cost	$ 26	$ 27	$ 52	$ 55
Interest Cost on Projected Benefit Obligation	467	461	940	919
Expected Return on Plan Assets	(494)	(411)	(991)	(820)
Recognized Actuarial Loss	18	57	36	113
Net Periodic Pension Expense	$ 17	$ 134	$ 37	$ 267