CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 29, 2019	Mar. 30, 2018	Mar. 29, 2019	Mar. 30, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 5.9	$ 12.3	$ 8.9	$ 23.9
Other comprehensive earnings, net of tax:
Unrealized (loss)/gain on interest rate swap contracts	(1.4)	2.1	(3.7)	4.0
Other comprehensive earnings, net of tax	(1.4)	2.1	(3.7)	4.0
Comprehensive earnings	4.5	14.4	5.2	27.9
Less: Comprehensive earnings attributable to noncontrolling interests	0.1	0.1	0.1	0.3
Comprehensive earnings attributable to Varex	$ 4.4	$ 14.3	$ 5.1	$ 27.6