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
 6 Months Ended
Feb. 29, 2016
Aug. 31, 2015
Indefinite And Finite Lived Intangible Assets [Line Items]    
Accumulated Amortization $ 200,579 $ 165,486
Other intangibles, gross 451,114 474,248
Other intangibles, net 250,535 308,762
Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Gross Carrying Value $ 95,026 112,437
Customer relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 15 years  
Gross Carrying Value $ 298,079 302,518
Accumulated Amortization 165,990 132,007
Net Book Value $ 132,089 170,511
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 10 years  
Gross Carrying Value $ 30,493 30,899
Accumulated Amortization 21,020 19,928
Net Book Value $ 9,473 10,971
Trademarks and tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 18 years  
Gross Carrying Value $ 21,344 21,604
Accumulated Amortization 7,584 7,055
Net Book Value $ 13,760 14,549
Other intangibles    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Weighted Average Amortization Period (Years) 3 years  
Gross Carrying Value $ 6,172 6,790
Accumulated Amortization 5,985 6,496
Net Book Value $ 187 $ 294