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Note 8 - Derivative Financial Instruments (Detail) - Fair Values of the Interest Rate Swap Agreements (USD $) In Thousands, unless otherwise specified	Feb. 29, 2012
Interest rate swaps (included in other liabilities)	$ (1,906)
Accumulated other comprehensive loss, net of tax	$ (1,177)

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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