SEGMENT INFORMATION - Geographic (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020	Sep. 27, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, net	$ 818.1	$ 738.3	$ 780.6
Property, plant and equipment, net	140.2	145.2
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, net	268.5	255.0	282.6
Property, plant and equipment, net	105.4	115.9
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, net	262.3	249.8	275.3
EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, net	276.3	231.5	269.0
Property, plant and equipment, net	23.9	21.5
APAC
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues, net	273.3	251.8	$ 229.0
Property, plant and equipment, net	$ 10.9	$ 7.8