COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions		3 Months Ended		6 Months Ended
	Oct. 16, 2018 patent	Apr. 03, 2020 USD ($)	Mar. 29, 2019 USD ($)	Apr. 03, 2020 USD ($)	Mar. 29, 2019 USD ($)	Sep. 27, 2019 USD ($)
Commitments And Contingencies [Line Items]
Minimum rentals under non-cancellable operating leases, 2020						$ 32.5
Minimum rentals under non-cancellable operating leases, 2021						26.3
Minimum rentals under non-cancellable operating leases, 2022						20.2
Minimum rentals under non-cancellable operating leases, 2023						14.5
Minimum rentals under non-cancellable operating leases, 2024						10.9
Minimum rentals under non-cancellable operating leases, thereafter						49.9
Lessor, term of operating leases		15 years		15 years
Rental income		$ 2.1	$ 2.1	$ 4.6	$ 4.2
Accrued environmental remediation expense		4.5		$ 4.5		4.8
Minimum
Commitments And Contingencies [Line Items]
Operating lease, remaining lease term				1 year
Finance lease, remaining lease term				1 year
Maximum
Commitments And Contingencies [Line Items]
Operating lease, remaining lease term				21 years
Finance lease, remaining lease term				7 years
Equipment
Commitments And Contingencies [Line Items]
Equipment leased to customers included in PP&E		23.5		$ 23.5
Accumulated depreciation on equipment leased to customers, included in PP&E		7.5		7.5
Leased equipment						22.5
Accumulated depreciation on leased equipment						$ 5.5
Threatened Litigation | Best Medical International, Inc. Litigation
Commitments And Contingencies [Line Items]
Number of patents allegedly infringed | patent	4
Estimated litigation accrual		$ 0.0		$ 0.0