CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues and other income:
Net sales	$ 455.2	$ 496.5	$ 1,431.4	$ 1,383.6
Other income, net	20.1	4.3	59.8	15.7
Total revenues and other income	475.3	500.8	1,491.2	1,399.3
Costs and expenses:
Cost of sales	322.5	332.1	929.4	958.8
Selling, general and administrative	78.2	65.2	237.9	194.8
Litigation settlement expense, net			62.0
Loss on prepayment of debt		7.1		7.1
Other components of net periodic pension and OPEB expense	3.7	4.5	11.2	12.9
Interest	14.0	15.0	45.4	44.2
Total costs and expenses	418.4	423.9	1,285.9	1,217.8
Income from continuing operations before income taxes	56.9	76.9	205.3	181.5
Income tax expense (benefit)	(91.4)	14.7	(33.2)	(67.5)
Net income from continuing operations	148.3	62.2	238.5	249.0
Income (loss) from discontinued operations	0.7	1.7	38.7	(108.2)
Net income	149.0	63.9	277.2	140.8
Noncontrolling interest in net income of subsidiaries	5.5	18.0	32.7	73.4
Net income attributable to Valhi stockholders	143.5	45.9	244.5	67.4
Amount attributable to Valhi stockholders:
Income from continuing operations	142.8	44.2	205.8	175.6
Income (loss) from discontinued operations	0.7	1.7	38.7	(108.2)
Net income attributable to Valhi stockholders	$ 143.5	$ 45.9	$ 244.5	$ 67.4
Basic and diluted net income per share:
Income from continuing operations	$ 0.42	$ 0.13	$ 0.60	$ 0.51
Income (loss) from discontinued operations			0.11	(0.31)
Net income attributable to Valhi stockholders	0.42	0.13	0.71	0.20
Cash dividends per share	$ 0.02	$ 0.02	$ 0.06	$ 0.06
Basic and diluted weighted average shares outstanding	342.1	342.0	342.0	342.0