Commitments and Contingencies (Tables)

3 Months Ended

Nov. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule Of Reserves For Environmental Liabilities [Table Text Block]

Changes in the Company’s environmental liabilities for the three months ended November 30, 2012 were as follows (in thousands):

Reporting Segment	Balance as of August 31, 2012		Liabilities Established (Released), Net		Payments and Other			Balance as of November 30, 2012		Short-Term		Long-Term
Metals Recycling Business	$	30,859	$	165	$	(124	)	$	30,900	$	1,707	$	29,193
Auto Parts Business	16,200		100		—			16,300		554		15,746
Total	$	47,059	$	265	$	(124	)	$	47,200	$	2,261	$	44,939