CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues and other income:
Net sales	$ 510.2	$ 481.8	$ 976.2	$ 887.1
Other income, net	19.3	3.8	39.7	11.4
Total revenues and other income	529.5	485.6	1,015.9	898.5
Costs and expenses:
Cost of sales	326.2	338.0	606.9	626.7
Selling, general and administrative	79.5	66.1	159.7	129.6
Litigation settlement expense, net	62.0		62.0
Other components of net periodic pension and OPEB expense	3.8	4.3	7.5	8.4
Interest	16.0	14.7	31.4	29.2
Total costs and expenses	487.5	423.1	867.5	793.9
Income from continuing operations before income taxes	42.0	62.5	148.4	104.6
Income tax expense (benefit)	22.0	(100.8)	58.2	(82.2)
Net income from continuing operations	20.0	163.3	90.2	186.8
Income (loss) from discontinued operations	0.4	(108.2)	38.0	(109.9)
Net income	20.4	55.1	128.2	76.9
Noncontrolling interest in net income of subsidiaries	8.7	46.3	27.2	55.4
Net income attributable to Valhi stockholders	11.7	8.8	101.0	21.5
Amount attributable to Valhi stockholders:
Income from continuing operations	11.3	117.0	63.0	131.4
Income (loss) from discontinued operations	0.4	(108.2)	38.0	(109.9)
Net income attributable to Valhi stockholders	$ 11.7	$ 8.8	$ 101.0	$ 21.5
Basic and diluted net income per share:
Income from continuing operations	$ 0.03	$ 0.35	$ 0.18	$ 0.38
Income (loss) from discontinued operations		(0.32)	0.11	(0.32)
Net income attributable to Valhi stockholders	0.03	0.03	0.29	0.06
Cash dividends per share	$ 0.02	$ 0.02	$ 0.04	$ 0.04
Basic and diluted weighted average shares outstanding	342.0	342.0	342.0	342.0