INCOME TAXES (Narrative) (Details) (USD $)	Sep. 30, 2014	Sep. 30, 2013
Income Tax Contingency [Line Items]
Tax credit carryforward	$ 1,200,000
Windfall tax benefits from stock option exercises	19,600,000
Undistributed earnings	2,400,000,000
Undistributed earnings, estimated tax expense if distributed	450,000,000
Unrecognized tax benefits	12,298,000	7,711,000
Unrecognized tax benefits that would impact the effective tax rate	12,300,000
Reasonably possible amount of unrecognized tax benefits to be recognized in fiscal year	1,200,000
Other long-term liabilities [Member]
Income Tax Contingency [Line Items]
Estimated accrued interest and penalties	$ 3,300,000