TAXES ON INCOME - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
Deferred tax assets:
Inventory adjustments	$ 4.9	$ 4.4
Share-based compensation	5.5	4.2
Product warranty	1.8	1.7
Deferred compensation	1.6	1.3
Net operating loss carryforwards	25.7	27.0
Accrued vacation	1.0	1.0
Accrued incentives	4.2	1.7
Credit carryforwards	3.3	5.9
Deferred financing fees	3.0	3.3
Interest expense limitation	4.3	4.7
Lease liabilities	6.8	7.2
Other	6.4	4.3
Deferred tax assets, gross	68.5	66.7
Valuation allowance	(30.2)	(28.7)	$ (18.8)	$ (4.0)
Total deferred tax assets	38.3	38.0
Deferred tax liabilities:
Acquired intangibles	(13.9)	(16.6)
Property, plant and equipment	(13.0)	(12.4)
Investments in privately held companies	(1.8)	(2.8)
Operating lease assets	(6.5)	(6.7)
Other	(1.3)	(1.3)
Total deferred tax liabilities	(36.5)	(39.8)
Net deferred tax assets	$ 1.8
Net deferred tax assets (liabilities)		$ (1.8)