CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Income Statement [Abstract]
Revenue	$ 753.6	$ 689.6	$ 2,213.1	$ 2,079.6
Cost of revenue	520.2	467.6	1,539.1	1,404.0
Gross profit	233.4	222.0	674.0	675.6
General and administrative expenses	47.5	60.4	164.9	176.4
Sales and marketing expenses	39.5	37.4	118.3	112.4
Research and development expenses	24.4	22.5	73.7	70.0
Asbestos-related benefit, net	0.0	0.0	0.0	(74.4)
Operating income	122.0	101.7	317.1	391.2
Interest and non-operating expense (income), net	2.3	0.5	2.6	(4.3)
Income from continuing operations before income tax expense	119.7	101.2	314.5	395.5
Income tax expense	16.4	14.1	59.9	182.7
Income from continuing operations	103.3	87.1	254.6	212.8
(Loss) income from discontinued operations, net of tax (expense) benefit of $(0.1), $0.5, $0.3, and $0.5, respectively	(0.1)	0.9	(1.3)	0.9
Net income	103.2	88.0	253.3	213.7
Less: Income attributable to noncontrolling interests	0.8	0.5	1.5	1.0
Net income attributable to ITT Inc.	102.4	87.5	251.8	212.7
Amounts attributable to ITT Inc.:
Income from continuing operations	102.5	86.6	253.1	211.8
(Loss) income from discontinued operations, net of tax	(0.1)	0.9	(1.3)	0.9
Net income attributable to ITT Inc.	$ 102.4	$ 87.5	$ 251.8	$ 212.7
Basic:
Continuing operations	$ 1.24	$ 1.01	$ 3.03	$ 2.46
Discontinued operations	0	0.01	(0.02)	0.01
Net income	1.24	1.02	3.01	2.47
Diluted:
Continuing operations	1.23	1.00	3.02	2.45
Discontinued operations	0	0.01	(0.02)	0.01
Net income	$ 1.23	$ 1.01	$ 3.00	$ 2.46
Weighted average common shares – basic	82.7	85.9	83.6	86.1
Weighted average common shares – diluted	83.0	86.3	83.9	86.6