CONDENSED COMBINED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2016	Jan. 01, 2016
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Net earnings	$ 11.2	$ 14.2
Available-for-sale securities:
Change in unrealized loss, net of tax benefit of $0 and $0.1 in 2017 and 2016, respectively	0.0	(0.3)
Reclassification adjustments, net of tax expense of $0 and ($0.2) in 2017 and 2016, respectively	0.0	0.4
Other comprehensive earnings, net of tax	0.0	0.1
Comprehensive earnings	11.2	14.3
Less: Comprehensive earnings attributable to noncontrolling interests	0.1	0.1
Comprehensive earnings attributable to Varex	$ 11.1	$ 14.2