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, 2014
Aug. 31, 2013
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 143,038 $ 127,776
Other intangibles, gross 515,072 504,468
Other intangibles, net 372,034 376,692
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 127,159 124,639
Customer relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value 325,469 318,143
Accumulated Amortization 108,073 95,215
Net Book Value 217,396 222,928
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value 30,978 30,564
Accumulated Amortization 20,117 18,747
Net Book Value 10,861 11,817
Trademarks and tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 18 years  
Gross Carrying Value 24,288 24,088
Accumulated Amortization 8,132 7,356
Net Book Value 16,156 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 7,178 7,034
Accumulated Amortization 6,716 6,458
Net Book Value $ 462 $ 576