Financing Arrangements Schedule of Debt Maturities (Details) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2013	Feb. 29, 2012
Schedule of Debt Maturities [Abstract]
Long-term Debt, Current Maturities	$ 26,020
Long-term Debt, Maturities, Repayments of Principal in Year Two	1,321
Long-term Debt, Maturities, Repayments of Principal in Year Three	1,321
Long-term Debt, Maturities, Repayments of Principal in Year Four	1,314
Long-term Debt, Maturities, Repayments of Principal in Year Five	140,649
Long-term Debt, Maturities, Repayments of Principal after Year Five	4,391
Long-term Debt	$ 175,016	$ 38,452

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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