Leases (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Capital Leases Of Lessee Abstract
Capital Leased Assets Gross	$ 1,300,000	$ 1,300,000
Capital Leases Accumulated Depreciation	900,000	900,000
Operating Leases Future Minimum Payments Due Current	17,571,000
Operating Leases Future Minimum Payments Due In Two Years	17,215,000
Operating Leases Future Minimum Payments Due In Three Years	15,940,000
Operating Leases Future Minimum Payments Due In Four Years	15,036,000
Operating Leases Future Minimum Payments Due In Five Years	14,597,000
Operating Leases Future Minimum Payments Due Thereafter	100,632,000
Total Operating Lease Payments	180,991,000
Capital Leases Future Minimum Payments Due Current	186,000
Capital Leases Future Minimum Payments Due In Two Years	186,000
Capital Leases Future Minimum Payments Due In Three Years	186,000
Capital Leases Future Minimum Payments Due In Four Years	186,000
Capital Leases Future Minimum Payments Due In Five Years	186,000
Capital Leases Future Minimum Payments Due Thereafter	78,000
Total Capital Minimum Lease Payments	1,008,000
Capital Lease, Interest Included In Lease Payments	286,000
Present Value Of Net Minimum Lease Payments	722,000
Lease and Rental Expense	33,600,000	35,500,000	36,700,000
Capital Leases Of Lessor Abstract
Capital Leases Future Minimum Payments Receivable Current	$ 168,000	$ 2,013,000