Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Assets and Liabilities Included in Condensed Consolidated Balance Sheet (Detail)

v2.4.0.6
Fair Value of Financial Assets and Liabilities Included in Condensed Consolidated Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
May 31, 2012
Aug. 31, 2011
Level 1 Valuation
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash equivalents $ 681 $ 1,958
Investments 1,514 1,464
Level 2 Valuation
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Foreign currency forward contracts (1,790) (81)
Interest rate swap contracts   $ (4,552)