CONSOLIDATED CONDENSED INCOME STATEMENTS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenue	$ 626.2	$ 628.2	$ 1,235.3	$ 1,216.9
Costs of revenue	420.6	414.3	834.4	804.0
Gross profit	205.6	213.9	400.9	412.9
General and administrative expenses	74.0	66.5	143.0	126.6
Sales and marketing expenses	46.0	48.8	89.3	96.1
Research and development expenses	21.1	18.9	40.3	37.2
Asbestos-related costs (benefit), net	15.0	(84.8)	27.8	(69.4)
Operating income	49.5	164.5	100.5	222.4
Interest and non-operating (income) expenses, net	(0.5)	0.3	1.2	1.5
Income from continuing operations before income tax expense	50.0	164.2	99.3	220.9
Income tax expense	17.5	23.5	29.2	41.6
Income from continuing operations	32.5	140.7	70.1	179.3
Income from discontinued operations, net of tax	0.5	1.7	0.2	5.1
Net income	33.0	142.4	70.3	184.4
Less: Income attributable to noncontrolling interests	0.2	0.1	0.1	0.0
Net income attributable to ITT Inc.	32.8	142.3	70.2	184.4
Amounts attributable to ITT Inc.:
Income from continuing operations, net of tax	32.3	140.6	70.0	179.3
Income from discontinued operations, net of tax	0.5	1.7	0.2	5.1
Net income attributable to ITT Inc.	$ 32.8	$ 142.3	$ 70.2	$ 184.4
Basic:
Continuing operations	$ 0.36	$ 1.57	$ 0.78	$ 1.99
Discontinued operations	0.00	0.02	0.00	0.06
Net income	0.36	1.59	0.78	2.05
Diluted:
Continuing operations	0.36	1.56	0.78	1.97
Discontinued operations	0.00	0.02	0.00	0.06
Net income	$ 0.36	$ 1.58	$ 0.78	$ 2.03
Weighted average common shares – basic	89.8	89.3	89.7	90.0
Weighted average common shares – diluted	90.4	90.2	90.4	91.0
Cash dividends declared per common share	$ 0.124	$ 0.1183	$ 0.248	$ 0.2366