CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Income Statement [Abstract]
Revenues, net	$ 171.2	$ 196.7	$ 568.3	$ 578.2
Cost of revenues	144.9	136.0	423.3	393.1
Gross margin	26.3	60.7	145.0	185.1
Operating expenses:
Research and development	19.0	20.9	61.6	58.5
Selling, general and administrative	31.4	31.2	101.5	92.3
Impairment of intangible assets	2.7	4.0	2.7	4.8
Total operating expenses	53.1	56.1	165.8	155.6
Operating (loss) earnings	(26.8)	4.6	(20.8)	29.5
Interest income	0.0	0.0	0.1	0.1
Interest expense	(6.9)	(5.1)	(16.9)	(15.7)
Other expense, net	(6.1)	(0.1)	(4.5)	(2.6)
Interest and other expense, net	(13.0)	(5.2)	(21.3)	(18.2)
(Loss) earnings before taxes	(39.8)	(0.6)	(42.1)	11.3
Income tax (benefit) expense	(11.6)	0.7	(10.9)	3.7
Net (loss) earnings	(28.2)	(1.3)	(31.2)	7.6
Less: Net earnings attributable to noncontrolling interests	0.1	0.1	0.3	0.2
Net (loss) earnings attributable to Varex	$ (28.3)	$ (1.4)	$ (31.5)	$ 7.4
Net (loss) earnings per common share attributable to Varex
Basic (in USD per share)	$ (0.73)	$ (0.04)	$ (0.81)	$ 0.19
Diluted (in USD per share)	$ (0.73)	$ (0.04)	$ (0.81)	$ 0.19
Weighted average common shares outstanding
Basic (in shares)	39.0	38.3	38.7	38.2
Diluted (in shares)	39.0	38.3	38.7	38.4