Quarterly report pursuant to Section 13 or 15(d)

Gross Carrying Value and Accumulated Amortization of Intangible Assets (Detail)

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Gross Carrying Value and Accumulated Amortization of Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
May 31, 2012
Aug. 31, 2011
Indefinite And Finite Lived Intangible Assets [Line Items]    
Other intangibles, gross $ 589,496 $ 596,084
Accumulated Amortization 135,136 116,678
Other intangibles, net 454,360 479,406
Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 162,443 167,465
Customer Relationships
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 328,127 331,171
Accumulated Amortization 87,345 73,215
Net Book Value 240,782 257,956
Weighted Average Amortization Period 15 years  
Patents
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 50,259 51,169
Accumulated Amortization 33,802 31,221
Net Book Value 16,457 19,948
Weighted Average Amortization Period 13 years  
Trademarks and Tradenames
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 41,178 38,917
Accumulated Amortization 7,966 6,571
Net Book Value 33,212 32,346
Weighted Average Amortization Period 20 years  
Non-Compete Agreements and Other
    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value 7,489 7,362
Accumulated Amortization 6,023 5,671
Net Book Value $ 1,466 $ 1,691
Weighted Average Amortization Period 4 years