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Note 7 - Long Term Debt (Detail) - Interest Expense (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended
	Nov. 30, 2011	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2010
Revolver commitment fees	$ 203	$ 175
Amortization of deferred financing costs	1,198	1,335
Other	80	80	5	19
Interest expense	24,850	28,243	5	19
Term Loans [Member]
Loans and Notes	12,011	13,682
Notes [Member]
Loans and Notes	$ 11,358	$ 12,971

The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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- Definition

Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet.

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