CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenue	$ 663.3	$ 695.5
Costs of revenue	453.9	476.7
Gross profit	209.4	218.8
General and administrative expenses	60.2	51.9
Sales and marketing expenses	41.6	40.2
Research and development expenses	22.7	23.5
Asbestos-related (benefit) costs, net	(40.7)	12.6
Asset impairment charges	16.3	0.0
Operating income	109.3	90.6
Interest and non-operating expenses (income), net	0.6	(0.5)
Income from continuing operations before income tax expense	108.7	91.1
Income tax expense	24.7	19.7
Income from continuing operations	84.0	71.4
Income from discontinued operations, net of tax	1.1	0.0
Net income	85.1	71.4
Less: Income attributable to noncontrolling interests	0.3	0.1
Net income attributable to ITT Inc.	84.8	71.3
Amounts attributable to ITT Inc.:
Income from continuing operations, net of tax	83.7	71.3
Income from discontinued operations, net of tax	1.1	0.0
Net income attributable to ITT Inc.	$ 84.8	$ 71.3
Basic:
Continuing operations	$ 0.96	$ 0.81
Discontinued operations	0.01	0
Net income	0.97	0.81
Diluted:
Continuing operations	0.95	0.80
Discontinued operations	0.01	0
Net income	$ 0.96	$ 0.80
Weighted average common shares – basic	87.4	87.6
Weighted average common shares – diluted	88.2	88.6