Quarterly report pursuant to Section 13 or 15(d)

Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Detail)

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Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
May 31, 2013
Aug. 31, 2012
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 121,898 $ 143,596
Other intangibles, gross 438,884 589,480
Other intangibles, net 316,986 445,884
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 99,516 137,393
Customer relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value 277,441 347,739
Accumulated Amortization 90,259 93,768
Net Book Value 187,182 253,971
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value 30,485 52,851
Accumulated Amortization 18,121 34,842
Net Book Value 12,364 18,009
Trademarks and tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 19 years  
Gross Carrying Value 24,381 43,820
Accumulated Amortization 7,125 8,670
Net Book Value 17,256 35,150
Non-compete agreements and other
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 4 years  
Gross Carrying Value 7,061 7,677
Accumulated Amortization 6,393 6,316
Net Book Value $ 668 $ 1,361