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
 3 Months Ended
Nov. 30, 2013
Aug. 31, 2013
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 135,862 $ 127,776
Other intangibles, gross 511,169 504,468
Other intangibles, net 375,307 376,692
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 126,234 124,639
Customer relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value 322,758 318,143
Accumulated Amortization 102,017 95,215
Net Book Value 220,741 222,928
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 11 years  
Gross Carrying Value 30,821 30,564
Accumulated Amortization 19,464 18,747
Net Book Value 11,357 11,817
Trademarks and tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 19 years  
Gross Carrying Value 24,213 24,088
Accumulated Amortization 7,764 7,356
Net Book Value 16,449 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 7,143 7,034
Accumulated Amortization 6,617 6,458
Net Book Value $ 526 $ 576