Schedule of Maturities of Long-term Debt (Detail) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2012
2013	$ 458
2014	233
2015	1,087
2016	38
2017	82,646
Long-term Debt, Total	$ 84,462

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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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

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Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year.

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