NONCONTROLLING INTERESTS - Summary of Changes in Redeemable Noncontrolling Interests & Noncontrolling INterets (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2021	Oct. 02, 2020
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at beginning of period	$ 14.1
Reclassification from mezzanine equity to equity for noncontrolling interest in MeVis Medical Solutions, AG		$ 11.3
Other, including foreign currency remeasurement		0.3
Balance at end of period	13.2	14.1
Balance at beginning of period	0.0	10.5
Net income attributable to noncontrolling interests		0.5
Reclassification of redeemable NCI in MeVis to noncontrolling interests in permanent equity		(11.3)
Other, including foreign currency remeasurement		0.3
Balance at end of period		0.0
Noncontrolling Interests
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Balance at beginning of period	14.1	3.3
Net income attributable to noncontrolling interests	0.5	0.0
Reclassification from mezzanine equity to equity for noncontrolling interest in MeVis Medical Solutions, AG	0.0	11.3
Other, including foreign currency remeasurement	(1.4)	(0.5)
Balance at end of period	13.2	14.1
Other, including foreign currency remeasurement	$ (1.4)	$ (0.5)