CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Revenue	$ 695.5	$ 689.3
Costs of revenue	476.7	465.1
Gross profit	218.8	224.2
General and administrative expenses	51.9	65.1
Sales and marketing expenses	40.2	43.5
Research and development expenses	23.5	24.7
Asbestos-related costs (benefit), net	12.6	(19.7)
Operating income	90.6	110.6
Interest and non-operating (income) expenses, net	(0.5)	1.8
Income from continuing operations before income tax expense	91.1	108.8
Income tax expense	19.7	7.6
Income from continuing operations	71.4	101.2
Income from discontinued operations, net of tax	0.0	0.1
Net income	71.4	101.3
Less: Income attributable to noncontrolling interests	0.1	0.1
Net income attributable to ITT Inc.	71.3	101.2
Amounts attributable to ITT Inc.:
Income from continuing operations, net of tax	71.3	101.1
Income from discontinued operations, net of tax	0.0	0.1
Net income attributable to ITT Inc.	$ 71.3	$ 101.2
Basic:
Continuing operations	$ 0.81	$ 1.15
Net income	0.81	1.15
Diluted:
Continuing operations	0.80	1.14
Net income	$ 0.80	$ 1.14
Weighted average common shares – basic	87.6	88.0
Weighted average common shares – diluted	88.6	89.0