CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 03, 2020	Mar. 29, 2019	Apr. 03, 2020	Mar. 29, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) earnings	$ (1.8)	$ 5.9	$ (3.0)	$ 8.9
Other comprehensive (loss) earnings, net of tax:
Unrealized (loss)/gain on interest rate swap contracts	(2.3)	(1.4)	(2.3)	(3.7)
Foreign currency translation adjustments	5.2	0.0	4.3	0.0
Other comprehensive (loss) earnings, net of tax	2.9	(1.4)	2.0	(3.7)
Comprehensive (loss) earnings	1.1	4.5	(1.0)	5.2
Less: Comprehensive earnings attributable to noncontrolling interests	0.1	0.1	0.2	0.1
Comprehensive (loss) earnings attributable to Varex	$ 1.0	$ 4.4	$ (1.2)	$ 5.1