LEASES AND OTHER COMMITMENTS - (Components of Lease Cost Schedule) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 27, 2020	Jun. 27, 2020
Leases [Abstract]
Operating lease cost	$ 13.6	$ 40.2
Variable lease cost	2.9	8.7
Short term lease cost	2.1	5.0
Amortization of right-of-use assets	1.4	3.7
Interest on lease liabilities	0.3	1.0
Total finance lease cost	1.7	4.7
Operating lease amortization of ROU assets	$ 11.3	$ 34.2