Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Additional Information (Detail)

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Fair Value Measurement - Additional Information (Detail) (USD $)
12 Months Ended
Feb. 28, 2013
Aug. 31, 2012
Aug. 31, 2012
Mastervolt International Holding B.V.
Feb. 28, 2013
Senior Notes
5.625% Senior Notes
Aug. 31, 2012
Senior Notes
5.625% Senior Notes
Apr. 16, 2012
Senior Notes
5.625% Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]            
Goodwill $ 866,685,000 $ 866,412,000 $ 40,000,000      
Tradename     13,600,000      
Impairment charge     62,500,000      
Outstanding debt, amount       300,000,000 300,000,000  
Debt instrument, interest rate       5.625%   5.625%
Fair value of long-term debt       $ 308,300,000 $ 309,800,000