BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Summary of Transactions Related Charges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Business Acquisition [Line Items]
Total transaction related charges	$ 11.1	$ 6.1	$ 41.4	$ 17.4
Coevorden operations divestiture and separation
Business Acquisition [Line Items]
Total transaction related charges	2.9	1.7	7.7	3.4
GBL divestiture and separation
Business Acquisition [Line Items]
Total transaction related charges	0.3	2.5	3.0	7.6
Rejuvenate acquisition and integration
Business Acquisition [Line Items]
Total transaction related charges	5.8	0.0	5.8	0.0
Armitage acquisition and integration
Business Acquisition [Line Items]
Total transaction related charges	1.0	0.0	7.7	0.0
Omega Sea acquisition and integration
Business Acquisition [Line Items]
Total transaction related charges	0.0	0.1	0.2	1.5
Other
Business Acquisition [Line Items]
Total transaction related charges	$ 1.1	$ 1.8	$ 17.0	$ 4.9