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		1.1
Net income attributable to ITT Corporation	150.8		150.8
Dividends declared			(30.4)
Activity from stock incentive plans			32.4
Share repurchases		(0.5)	(25.0)
Purchase of noncontrolling interest			1.4		(2.9)
Net change in postretirement benefit plans	20.3			20.3
Net cumulative translation adjustment				(54.2)
Income attributable to noncontrolling interests	(1.8)				1.8
Dividend to noncontrolling interest shareholders					0.0
Postretirement benefit plans, ending balance at Sep. 30, 2014				(108.9)
Cumulative translation adjustment, ending balance at Sep. 30, 2014				(135.0)
Unrealized loss on investment securities, ending balance at Sep. 30, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		0.6
Net change in retained earnings			129.2
Net change in accumulated other comprehensive loss				(33.9)
Net change in noncontrolling interests					(1.1)
Total shareholders' equity, ending balance at Sep. 30, 2014	1,301.7	91.6	1,449.5	(244.2)	4.8
Total shareholders' equity, beginning balance at Jun. 30, 2014	1,267.1	91.6	1,381.0		4.4
Postretirement benefit plans, beginning balance at Jun. 30, 2014				(127.9)
Cumulative translation adjustment, beginning balance at Jun. 30, 2014				(81.7)
Unrealized loss on investment securities, beginning balance at Jun. 30, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.2
Net income attributable to ITT Corporation	80.3		80.3
Dividends declared			(10.2)
Activity from stock incentive plans			8.7
Share repurchases		(0.2)	(10.3)
Purchase of noncontrolling interest			0.0		0.0
Net change in postretirement benefit plans	19.0			19.0
Net cumulative translation adjustment				(53.3)
Income attributable to noncontrolling interests	(0.4)				0.4
Dividend to noncontrolling interest shareholders					0.0
Postretirement benefit plans, ending balance at Sep. 30, 2014				(108.9)
Cumulative translation adjustment, ending balance at Sep. 30, 2014				(135.0)
Unrealized loss on investment securities, ending balance at Sep. 30, 2014				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		0.0
Net change in retained earnings			68.5
Net change in accumulated other comprehensive loss				(34.3)
Net change in noncontrolling interests					0.4
Total shareholders' equity, ending balance at Sep. 30, 2014	1,301.7	91.6	1,449.5	(244.2)	4.8
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		0.6
Net income attributable to ITT Corporation	315.1		315.1
Dividends declared			(32.1)
Activity from stock incentive plans			19.0
Share repurchases		(2.1)	(81.8)
Purchase of noncontrolling interest			0.0		0.0
Net change in postretirement benefit plans	1.9			1.9
Net cumulative translation adjustment				(72.2)
Income attributable to noncontrolling interests	0.0				0.0
Dividend to noncontrolling interest shareholders					(1.8)
Postretirement benefit plans, ending balance at Sep. 30, 2015				(142.3)
Cumulative translation adjustment, ending balance at Sep. 30, 2015				(248.9)
Unrealized loss on investment securities, ending balance at Sep. 30, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		(1.5)
Net change in retained earnings			220.2
Net change in accumulated other comprehensive loss				(70.3)
Net change in noncontrolling interests					(1.8)
Total shareholders' equity, ending balance at Sep. 30, 2015	1,366.9	89.5	1,665.3	(391.5)	3.6
Total shareholders' equity, beginning balance at Jun. 30, 2015	1,267.8	89.4	1,540.9		5.4
Postretirement benefit plans, beginning balance at Jun. 30, 2015				(143.1)
Cumulative translation adjustment, beginning balance at Jun. 30, 2015				(224.5)
Unrealized loss on investment securities, beginning balance at Jun. 30, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Activity from stock incentive plans		0.1
Net income attributable to ITT Corporation	130.7		130.7
Dividends declared			(10.6)
Activity from stock incentive plans			4.5
Share repurchases		0.0	(0.2)
Purchase of noncontrolling interest			0.0		0.0
Net change in postretirement benefit plans	0.8			0.8
Net cumulative translation adjustment				(24.4)
Income attributable to noncontrolling interests	0.0				0.0
Dividend to noncontrolling interest shareholders					(1.8)
Postretirement benefit plans, ending balance at Sep. 30, 2015				(142.3)
Cumulative translation adjustment, ending balance at Sep. 30, 2015				(248.9)
Unrealized loss on investment securities, ending balance at Sep. 30, 2015				(0.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net change in common stock		0.1
Net change in retained earnings			124.4
Net change in accumulated other comprehensive loss				(23.6)
Net change in noncontrolling interests					(1.8)
Total shareholders' equity, ending balance at Sep. 30, 2015	$ 1,366.9	$ 89.5	$ 1,665.3	$ (391.5)	$ 3.6