EMPLOYEE STOCK PLANS - Activity Under Employee Stock Plans (Detail) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 03, 2020 USD ($) $ / shares shares
Number of Shares
Balance at beginning of period (in shares) | shares	2.2
Granted (in shares) | shares	0.1
Cancelled or expired (in shares) | shares	0.0
Exercised (in shares) | shares	(0.1)
Balance at end of period (in shares) | shares	2.2
Exercisable (in shares) | shares	1.1
Weighted Average Exercise Price
Balance at beginning of period (in dollars per share)	$ 97.66
Granted (in dollars per share)	131.34
Cancelled or expired (in dollars per share)	99.35
Exercised (in dollars per share)	82.03
Balance at end of period (in dollars per share)	101.01
Exercisable (in dollars per share)	$ 82.38
Weighted Average Remaining Term (in years)
Balance at end of period (in years)	4 years 7 months 6 days
Exercisable (in years)	3 years 4 months 24 days
Aggregate Intrinsic Value
Balance at end of period | $	$ 98.0
Exercisable | $	$ 68.2
Share price (in dollars per share)	$ 144.93