CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017		Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Revenue	$ 680.6	$ 645.0		$ 2,066.7	$ 1,901.7
Costs of revenue	454.1	441.2		1,390.0	1,289.8
Gross profit	226.5	203.8		676.7	611.9
General and administrative expenses	68.0	70.1		196.6	200.4
Sales and marketing expenses	40.8	41.3		127.7	128.2
Research and development expenses	24.2	23.0		74.7	68.0
Gain on sale of long-lived assets	(40.0)	(0.9)		(40.5)	(0.9)
Asbestos-related benefit, net	(4.3)	(62.8)		(10.5)	(33.0)
Operating income	137.8	133.1	[1]	328.7	249.2	[1]
Interest and non-operating expenses, net	0.7	5.5		4.0	8.2
Income from continuing operations before income tax expense	137.1	127.6		324.7	241.0
Income tax expense	25.9	40.6		42.4	60.3
Income from continuing operations	111.2	87.0		282.3	180.7
Loss from discontinued operations, net of tax	(0.1)	(0.1)		0.0	(0.3)
Net income	111.1	86.9		282.3	180.4
Less: Income (loss) attributable to noncontrolling interests	0.2	0.0		0.5	(0.3)
Net income attributable to ITT Inc.	110.9	86.9		281.8	180.7
Amounts attributable to ITT Inc.:
Income from continuing operations, net of tax	111.0	87.0		281.8	181.0
Loss from discontinued operations, net of tax	(0.1)	(0.1)		0.0	(0.3)
Net income attributable to ITT Inc.	$ 110.9	$ 86.9		$ 281.8	$ 180.7
Basic:
Continuing operations	$ 1.27	$ 0.99		$ 3.21	$ 2.05
Discontinued operations	0	0		0	0
Net income	1.27	0.99		3.21	2.05
Diluted:
Continuing operations	1.25	0.98		3.18	2.03
Discontinued operations	0	0		0	0
Net income	$ 1.25	$ 0.98		$ 3.18	$ 2.03
Weighted average common shares – basic	87.6	88.0		87.7	88.3
Weighted average common shares – diluted	88.7	88.7		88.7	89.0
Cash dividends declared per common share	$ 0.134	$ 0.128		$ 0.402	$ 0.384

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