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Note 8 Pension Plans (Estimated Future Benefit Payments) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Defined Benefit Plan, Estimated Future Benefit Payments [Abstract]  
March 31, 2014 $ 1,402
March 31, 2015 1,483
March 31, 2016 1,571
March 31, 2017 1,770
March 31, 2018 1,781
Five Fiscal Years Ended March 31, 2023 10,268
Total Benefits Payments for the Ten Fiscal Years Ended March 31, 2023 $ 18,275