EMPLOYEE STOCK PLANS - Activity Under Employee Stock Plans (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 01, 2021 USD ($) $ / shares shares
Number of Shares
Balance at beginning of period (in shares) | shares	1.9
Cancelled or expired (in shares) | shares	(0.1)
Exercised (in shares) | shares	(0.5)
Balance at end of period (in shares) | shares	1.3
Exercisable (in shares) | shares	0.6
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 110.79
Cancelled or expired (in dollars per share)	108.59
Exercised (in dollars per share)	97.90
Balance at end of period (in dollars per share)	115.67
Exercisable (in dollars per share)	$ 99.56
Weighted Average Remaining Term (in years)
Outstanding (term)	4 years 6 months
Exercisable (term)	3 years 6 months
Aggregate Intrinsic Value
Outstanding | $	$ 78.8
Exercisable | $	$ 47.8
Share price (in dollars per share)	$ 175.01