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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
Nov. 30, 2012
Nov. 04, 2011
Foreign Currency Translation [Line Items]    
Foreign currency forward contracts outstanding $ 7.9  
Sales price of property sold to third party   0.8
Pre-tax loss on sale of property   $ 0.1