Gross Carrying Amount and Accumulated Amortization of Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2015	Aug. 31, 2015
Indefinite And Finite Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 169,279	$ 165,486
Other intangibles, gross	468,671	474,248
Other intangibles, net	299,392	308,762
Tradenames
Indefinite And Finite Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 111,464	112,437
Customer relationships
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	15 years
Gross Carrying Value	$ 298,790	302,518
Accumulated Amortization	135,452	132,007
Net Book Value	$ 163,338	170,511
Patents
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	10 years
Gross Carrying Value	$ 30,757	30,899
Accumulated Amortization	20,535	19,928
Net Book Value	$ 10,222	10,971
Trademarks and tradenames
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	18 years
Gross Carrying Value	$ 21,424	21,604
Accumulated Amortization	7,318	7,055
Net Book Value	$ 14,106	14,549
Other intangibles
Indefinite And Finite Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	3 years
Gross Carrying Value	$ 6,236	6,790
Accumulated Amortization	5,974	6,496
Net Book Value	$ 262	$ 294