CONSOLIDATED CONDENSED STATEMENTS OF CHANGES IN SHAREDHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]
Total shareholders' equity, beginning balance at Dec. 31, 2013	$ 1,206.9	$ 91.0	$ 1,320.3		$ 5.9
Postretirement benefit plans, beginning balance at Dec. 31, 2013				$ (129.2)
Cumulative translation adjustment, beginning balance at Dec. 31, 2013				(80.8)
Unrealized loss on investment securities, beginning balance at Dec. 31, 2013				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.9
Net income attributable to ITT Corporation	70.5		70.5
Dividends declared			(20.3)
Activity from stock incentive plans			23.7
Share repurchases		(0.3)	(14.6)
Purchase of noncontrolling interest			1.4		(2.9)
Net change in postretirement benefit plans	1.3			1.3
Net cumulative translation adjustment				(0.9)
Income attributable to noncontrolling interests	(1.4)				1.4
Postretirement benefit plans, ending balance at Jun. 30, 2014				(127.9)
Cumulative translation adjustment, ending balance at Jun. 30, 2014				(81.7)
Unrealized loss on investment securities, ending balance at Jun. 30, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		0.6
Net change in retained earnings			60.7
Net change in accumulated other comprehensive loss				0.4
Net change in noncontrolling interests					(1.5)
Total shareholders' equity, ending balance at Jun. 30, 2014	1,267.1	91.6	1,381.0	(209.9)	4.4
Total shareholders' equity, beginning balance at Mar. 31, 2014	1,239.6	91.7	1,356.1		4.0
Postretirement benefit plans, beginning balance at Mar. 31, 2014				(128.6)
Cumulative translation adjustment, beginning balance at Mar. 31, 2014				(83.3)
Unrealized loss on investment securities, beginning balance at Mar. 31, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.1
Net income attributable to ITT Corporation	38.3		38.3
Dividends declared			(10.2)
Activity from stock incentive plans			6.9
Share repurchases		(0.2)	(9.9)
Purchase of noncontrolling interest			(0.2)		0.0
Net change in postretirement benefit plans	0.7			0.7
Net cumulative translation adjustment				1.6
Income attributable to noncontrolling interests	(0.4)				0.4
Postretirement benefit plans, ending balance at Jun. 30, 2014				(127.9)
Cumulative translation adjustment, ending balance at Jun. 30, 2014				(81.7)
Unrealized loss on investment securities, ending balance at Jun. 30, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		(0.1)
Net change in retained earnings			24.9
Net change in accumulated other comprehensive loss				2.3
Net change in noncontrolling interests					0.4
Total shareholders' equity, ending balance at Jun. 30, 2014	1,267.1	91.6	1,381.0	(209.9)	4.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Retained earnings	1,445.1
Total shareholders' equity, beginning balance at Dec. 31, 2014	1,220.3	91.0	1,445.1		5.4
Postretirement benefit plans, beginning balance at Dec. 31, 2014				(144.2)
Cumulative translation adjustment, beginning balance at Dec. 31, 2014				(176.7)
Unrealized loss on investment securities, beginning balance at Dec. 31, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.5
Net income attributable to ITT Corporation	184.4		184.4
Dividends declared			(21.5)
Activity from stock incentive plans			14.5
Share repurchases		(2.1)	(81.6)
Purchase of noncontrolling interest			0.0		0.0
Net change in postretirement benefit plans	1.1			1.1
Net cumulative translation adjustment				(47.8)
Income attributable to noncontrolling interests	0.0				0.0
Postretirement benefit plans, ending balance at Jun. 30, 2015				(143.1)
Cumulative translation adjustment, ending balance at Jun. 30, 2015				(224.5)
Unrealized loss on investment securities, ending balance at Jun. 30, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		(1.6)
Net change in retained earnings			95.8
Net change in accumulated other comprehensive loss				(46.7)
Net change in noncontrolling interests					0.0
Total shareholders' equity, ending balance at Jun. 30, 2015	1,267.8	89.4		(367.9)	5.4
Total shareholders' equity, beginning balance at Mar. 31, 2015	1,114.6	89.2	1,401.7		5.3
Postretirement benefit plans, beginning balance at Mar. 31, 2015				(143.7)
Cumulative translation adjustment, beginning balance at Mar. 31, 2015				(237.6)
Unrealized loss on investment securities, beginning balance at Mar. 31, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.2
Net income attributable to ITT Corporation	142.3		142.3
Dividends declared			(11.0)
Activity from stock incentive plans			8.0
Share repurchases		0.0	(0.1)
Purchase of noncontrolling interest			0.0		0.0
Net change in postretirement benefit plans	0.6			0.6
Net cumulative translation adjustment				13.1
Income attributable to noncontrolling interests	(0.1)				0.1
Postretirement benefit plans, ending balance at Jun. 30, 2015				(143.1)
Cumulative translation adjustment, ending balance at Jun. 30, 2015				(224.5)
Unrealized loss on investment securities, ending balance at Jun. 30, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		0.2
Net change in retained earnings			$ 139.2
Net change in accumulated other comprehensive loss				13.7
Net change in noncontrolling interests					0.1
Total shareholders' equity, ending balance at Jun. 30, 2015	1,267.8	$ 89.4		$ (367.9)	$ 5.4
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Retained earnings	$ 1,540.9