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, 2014
Aug. 31, 2013
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 149,180 $ 127,776
Other intangibles, gross 525,429 504,468
Other intangibles, net 376,249 376,692
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 127,316 124,639
Customer relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value 328,496 318,143
Accumulated Amortization 113,228 95,215
Net Book Value 215,268 222,928
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value 35,878 30,564
Accumulated Amortization 20,688 18,747
Net Book Value 15,190 11,817
Trademarks and tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 18 years  
Gross Carrying Value 26,304 24,088
Accumulated Amortization 8,492 7,356
Net Book Value 17,812 16,732
Non-compete agreements and other
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 4 years  
Gross Carrying Value 7,435 7,034
Accumulated Amortization 6,772 6,458
Net Book Value $ 663 $ 576