Note 7 Borrowing Arrangements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Long-term Debt, by Maturity [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 15,956
Long-term Debt, Maturities, Repayments of Principal in Year Two	955
Long-term Debt, Maturities, Repayments of Principal in Year Three	872
Long-term Debt, Maturities, Repayments of Principal in Year Four	855
Long-term Debt, Maturities, Repayments of Principal in Year Five	854
Long-term Debt, Maturities, Repayments of Principal after Year Five	1,923
Long-term Debt, Total	21,415
Long-term Debt, Current Maturities	15,956	1,696
Long-term Debt, Excluding Current Maturities	$ 5,459	$ 21,676

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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