Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Aug. 31, 2011

Goodwill and Other Intangible Assets [Abstract]

Intangible assets subject to amortization

	2011						2010
	Gross						Gross
	Carrying		Accumulated				Carrying		Accumulated
(in thousands)	Amount		Amortization		Net		Amount		Amortization		Net
Customer base	$	34,128	$	12,714	$	21,414	$	56,423	$	17,453	$	38,970
Non-competition agreements		4,183		3,281		902		9,984		7,211		2,773
Favorable land leases		7,063		521		6,542		5,728		388		5,340
Brand name		4,207		803		3,404		1,509		557		952
Other		101		25		76		265		18		247
Total	$	49,682	$	17,344	$	32,338	$	73,909	$	25,627	$	48,282

Intangible assets Estimated future amortization expense

Year	(in thousands)
2012	$	5,981
2013		4,954
2014		4,898
2015		4,845
2016		3,210