STOCKHOLDERS' EQUITY - Shares Repurchased During Period (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2019	Jun. 29, 2018	Jun. 28, 2019	Jun. 29, 2018
Equity [Abstract]
Number of shares (in shares)	0.4	0.3	1.1	1.1
Average repurchase price per share (in dollars per share)	$ 138.90	$ 120.59	$ 123.15	$ 112.25
Total cost	$ 48.6	$ 39.2	$ 134.2	$ 131.9