Note 11 Pension Plans (Net Periodic Pension Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]
Service Cost	$ 27	$ 25	$ 82	$ 74
Interest Cost on Projected Benefit Obligation	479	478	1,398	1,417
Expected Return on Plan Assets	(427)	(385)	(1,245)	(1,143)
Recognized Actuarial Loss	61	42	177	126
Net Periodic Pension Expense	$ 140	$ 160	$ 412	$ 474