Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Goodwill Schedule of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
Goodwill [Roll Forward]
August 31, 2015			$ 175,676
Goodwill impairment charge	$ (8,845)	$ (141,021)	(8,845)	$ (141,021)
February 29, 2016	166,276		166,276
Auto and Metals Recycling
Goodwill [Roll Forward]
August 31, 2015			175,676
Foreign currency translation adjustment			(555)
Goodwill impairment charge			(8,845)
February 29, 2016	$ 166,276		$ 166,276