Property and Equipment (Tables)

12 Months Ended

Sep. 30, 2012

Property Plant And Equipment [Abstract]

Components of property and equipment and their estimated useful lives

	September 30,
	2012		2011		Useful Estimated Lives
Land and land improvements	$	13,904	$	13,769	Land improvements -30 years
Buildings and leasehold improvements		27,354		26,198	1 - 30 years
Fleet and other equipment		47,742		43,541	1 - 25 years
Tanks and equipment		18,792		14,166	20 years
Furniture, fixtures and office equipment		59,268		57,752	3 -10 years
Total		167,060		155,426
Less accumulated depreciation		114,452		108,295
Property and equipment, net	$	52,608	$	47,131