COMMITMENTS AND CONTINGENT LIABILITIES (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Operating Leases, Rent Expense, Net	$ 30,598	$ 34,600	$ 25,100
Operating Leases, Future Minimum Payments Due, Next Twelve Months	22,345
Operating Leases, Future Minimum Payments, Due in Two Years	17,098
Operating Leases, Future Minimum Payments, Due in Three Years	14,477
Operating Leases, Future Minimum Payments, Due in Four Years	11,647
Operating Leases, Future Minimum Payments, Due in Five Years	8,733
Operating Leases, Future Minimum Payments, Due Thereafter	15,082
Net Capital Cost Value	5,000
Net Capital Cost Value In Proposed Remedial Action Plan	$ 10,000