CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Revenue	$ 726.2	$ 698.4
Cost of revenue	507.8	469.4
Gross profit	218.4	229.0
General and administrative expenses	60.4	58.1
Sales and marketing expenses	38.4	36.7
Research and development expenses	25.0	24.3
Operating income	94.6	109.9
Interest and non-operating income, net	(0.2)	(1.3)
Income from continuing operations before income tax expense	94.8	111.2
Income tax expense	19.5	24.7
Net income	75.3	86.5
Less: Income attributable to noncontrolling interests	0.5	0.3
Net income attributable to ITT Inc.	$ 74.8	$ 86.2
Basic
Net income	$ 0.88	$ 1.00
Diluted
Net income	$ 0.88	$ 0.99
Weighted average common shares – basic	84.8	86.3
Weighted average common shares – diluted	85.2	86.9