Quarterly report pursuant to Section 13 or 15(d)

Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details)

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Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($)
$ in Thousands
 9 Months Ended
May 31, 2016
Aug. 31, 2015
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 205,395 $ 165,486
Other intangibles, gross 461,316 474,248
Other intangibles, net 255,921 308,762
Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 95,228 112,437
Customer relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 14 years  
Gross Carrying Value $ 307,400 302,518
Accumulated Amortization 170,027 132,007
Net Book Value $ 137,373 170,511
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 10 years  
Gross Carrying Value $ 30,700 30,899
Accumulated Amortization 21,830 19,928
Net Book Value $ 8,870 10,971
Trademarks and tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 18 years  
Gross Carrying Value $ 21,233 21,604
Accumulated Amortization 7,658 7,055
Net Book Value $ 13,575 14,549
Other intangibles    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 3 years  
Gross Carrying Value $ 6,755 6,790
Accumulated Amortization 5,880 6,496
Net Book Value $ 875 $ 294