Goodwill and Intangibles Intangibles (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2015	Nov. 30, 2014	Aug. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 1,700	$ 1,800
Other Intangible Assets [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Other Intangible Assets [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	30 years
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 71,933		$ 70,925
Finite-Lived Intangible Assets, Accumulated Amortization	(31,917)		(30,831)
Finite-Lived Intangible Assets, Net	40,016		40,094
Trademarks and other intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	42,666		42,688
Finite-Lived Intangible Assets, Accumulated Amortization	(32,703)		(32,134)
Finite-Lived Intangible Assets, Net	9,963		10,554
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	114,599		113,613
Finite-Lived Intangible Assets, Accumulated Amortization	(64,620)		(62,965)
Finite-Lived Intangible Assets, Net	$ 49,979		$ 50,648