CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Income Statement [Abstract]
Revenue	$ 910.6	$ 797.9
Cost of revenue	609.8	536.0
Gross profit	300.8	261.9
General and administrative expenses	71.5	68.3
Sales and marketing expenses	50.1	42.9
Research and development expenses	30.0	26.4
Operating income	149.2	124.3
Interest and non-operating expense, net	4.4	3.5
Income before income tax expense	144.8	120.8
Income tax expense	32.8	20.1
Net income	112.0	100.7
Less: Income attributable to noncontrolling interests	1.0	0.7
Net income attributable to ITT Inc.	$ 111.0	$ 100.0
Earnings per share attributable to ITT Inc.:
Basic	$ 1.35	$ 1.21
Diluted	$ 1.34	$ 1.20
Weighted average common shares – basic	82.2	82.6
Weighted average common shares – diluted	82.7	83.0