CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) earnings	$ (28.2)	$ (1.3)	$ (31.2)	$ 7.6
Other comprehensive (loss) earnings, net of tax:
Unrealized (loss)/gain on interest rate swap contracts	0.3	(2.3)	(2.0)	(6.0)
Foreign currency translation adjustments	(3.7)	(0.2)	0.6	(0.2)
Other comprehensive (loss) earnings, net of tax	(3.4)	(2.5)	(1.4)	(6.2)
Comprehensive (loss) earnings	(31.6)	(3.8)	(32.6)	1.4
Less: Comprehensive earnings attributable to noncontrolling interests	0.1	0.1	0.3	0.2
Comprehensive (loss) earnings attributable to Varex	$ (31.7)	$ (3.9)	$ (32.9)	$ 1.2