Annual report pursuant to Section 13 and 15(d)

Funded Status of Defined Benefit Pension Plans (Detail)

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Funded Status of Defined Benefit Pension Plans (Detail) (USD $)
In Thousands, unless otherwise specified
Aug. 31, 2012
Aug. 31, 2011
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 33,695 $ 32,412
Non-US Pension Plans, Defined Benefit
   
Defined Benefit Plan Disclosure [Line Items]    
Benefit obligation 10,711 9,035
Fair value of plan assets 7,440 7,333
Funded status of plans (underfunded) $ (3,271) $ (1,702)