CONSOLIDATED CONDENSED INCOME STATEMENTS - USD ($) shares in Millions, $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017		Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenue	$ 696.8	$ 630.9		$ 1,386.1	$ 1,256.7
Costs of revenue	470.8	425.9		935.9	848.6
Gross profit	226.0	205.0		450.2	408.1
General and administrative expenses	63.0	64.6		128.1	130.3
Sales and marketing expenses	43.4	43.8		86.9	86.9
Research and development expenses	25.8	22.6		50.5	45.0
Asbestos-related costs (benefit), net	13.5	14.9		(6.2)	29.8
Operating income	80.3	59.1	[1]	190.9	116.1	[1]
Interest and non-operating expenses, net	1.5	0.5		3.3	2.7
Income from continuing operations before income tax expense	78.8	58.6		187.6	113.4
Income tax expense	8.9	10.6		16.5	19.7
Income from continuing operations	69.9	48.0		171.1	93.7
(Loss) income from discontinued operations, net of tax	0.0	(0.1)		0.1	(0.2)
Net income	69.9	47.9		171.2	93.5
Less: Income (loss) attributable to noncontrolling interests	0.2	0.1		0.3	(0.3)
Net income attributable to ITT Inc.	69.7	47.8		170.9	93.8
Amounts attributable to ITT Inc.:
Income from continuing operations, net of tax	69.7	47.9		170.8	94.0
(Loss) income from discontinued operations, net of tax	0.0	(0.1)		0.1	(0.2)
Net income attributable to ITT Inc.	$ 69.7	$ 47.8		$ 170.9	$ 93.8
Basic:
Continuing operations	$ 0.80	$ 0.54		$ 1.95	$ 1.06
Discontinued operations	0	0		0	0
Net income	0.80	0.54		1.95	1.06
Diluted:
Continuing operations	0.79	0.54		1.93	1.05
Discontinued operations	0	0		0	0
Net income	$ 0.79	$ 0.54		$ 1.93	$ 1.05
Weighted average common shares – basic	87.5	88.5		87.8	88.4
Weighted average common shares – diluted	88.4	89.0		88.7	89.1
Cash dividends declared per common share	$ 0.134	$ 0.128		$ 0.268	$ 0.256

[1] (a)Operating income and operating margin for the three and six months ended June 30, 2017 has been restated to reflect the adoption of ASU 2017-07. Refer to Note 2, Recent Accounting Pronouncements for further information.