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
 6 Months Ended
Feb. 28, 2013
Aug. 31, 2012
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 157,701 $ 143,596
Other intangibles, gross 588,528 589,480
Other intangibles, net 430,827 445,884
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 136,946 137,393
Customer relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value 347,474 347,739
Accumulated Amortization 104,772 93,768
Net Book Value 242,702 253,971
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 13 years  
Gross Carrying Value 52,655 52,851
Accumulated Amortization 36,292 34,842
Net Book Value 16,363 18,009
Trademarks and tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 19 years  
Gross Carrying Value 43,853 43,820
Accumulated Amortization 9,959 8,670
Net Book Value 33,894 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 7,600 7,677
Accumulated Amortization 6,678 6,316
Net Book Value $ 922 $ 1,361