INCOME TAXES (Narrative) (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Income Tax Contingency [Line Items]
Tax credit carryforward	$ 1,200,000
Windfall tax benefits from stock option exercises	18,500,000
Undistributed earnings	2,000,000,000
Undistributed earnings, estimated tax expense if distributed	360,000,000
Unrecognized tax benefits	7,711,000	8,164,000
Unrecognized tax benefits that would impact the effective tax rate	7,700,000
Reasonably possible amount of unrecognized tax benefits to be recognized in fiscal year	2,100,000
Other long-term liabilities [Member]
Income Tax Contingency [Line Items]
Estimated accrued interest and penalties	$ 2,600,000