Annual report pursuant to Section 13 and 15(d)

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

v3.5.0.2
Gross Carrying Value and Accumulated Amortization of Intangible Assets (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Indefinite And Finite Lived Intangible Assets [Line Items]    
Finite-Lived Accumulated Amortization $ 202,311 $ 165,486
Intangible assets, gross 441,786 474,248
Intangible assets, net 239,475 308,762
Trade Names    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Indefinite-Lived Intangible Assets, Gross 90,909 112,437
Customer Relationships    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 292,671 302,518
Finite-Lived Accumulated Amortization 166,252 132,007
Net Book Value $ 126,419 170,511
Weighted Average Amortization Period 14 years  
Patents    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 30,296 30,899
Finite-Lived Accumulated Amortization 22,233 19,928
Net Book Value $ 8,063 10,971
Weighted Average Amortization Period 10 years  
Trademarks and Tradenames    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 21,283 21,604
Finite-Lived Accumulated Amortization 7,936 7,055
Net Book Value $ 13,347 14,549
Weighted Average Amortization Period 18 years  
Non-Compete Agreements and Other    
Indefinite And Finite Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 6,627 6,790
Finite-Lived Accumulated Amortization 5,890 6,496
Net Book Value $ 737 294
Weighted Average Amortization Period 3 years  
Indefinite-Lived Intangible Assets, Gross $ 0 $ 0