INCOME TAXES (Narrative) (Details) (USD $)	12 Months Ended
	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Valuation allowance	$ 12,900,000
Operating loss carryforwards	116,700,000
Tax credit carryforward	1,200,000
Valuation allowance recorded	1,200,000
Windfall tax benefits from stock option exercises	14,600,000
Undistributed earnings	1,600,000,000
Undistributed earnings, estimated tax expense if distributed	270,000,000
Increase of the liability for uncertain tax positions	8,200,000
Estimated accrued interest and penalties	$ 2,500,000