CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues and other income:
Net sales	$ 528.6	$ 510.2	$ 1,008.2	$ 976.2
Other income, net	15.4	19.3	22.0	39.7
Total revenues and other income	544.0	529.5	1,030.2	1,015.9
Costs and expenses:
Cost of sales	405.4	326.2	763.2	606.9
Selling, general and administrative	73.6	79.5	145.0	159.7
Litigation settlement expense, net	19.6	62.0	19.6	62.0
Other components of net periodic pension and OPEB expense	4.1	3.8	8.2	7.5
Interest	10.1	16.0	20.4	31.4
Total costs and expenses	512.8	487.5	956.4	867.5
Income from continuing operations before income taxes	31.2	42.0	73.8	148.4
Income tax expense	13.0	22.0	27.2	58.2
Net income from continuing operations	18.2	20.0	46.6	90.2
Income from discontinued operations		0.4		38.0
Net income	18.2	20.4	46.6	128.2
Noncontrolling interest in net income of subsidiaries	11.1	8.7	21.3	27.2
Net income attributable to Valhi stockholders	7.1	11.7	25.3	101.0
Amount attributable to Valhi stockholders:
Income from continuing operations	7.1	11.3	25.3	63.0
Income from discontinued operations		0.4		38.0
Net income attributable to Valhi stockholders	$ 7.1	$ 11.7	$ 25.3	$ 101.0
Basic and diluted net income per share:
Income from continuing operations	$ 0.02	$ 0.03	$ 0.07	$ 0.18
Income from discontinued operations				0.11
Net income attributable to Valhi stockholders	$ 0.02	$ 0.03	$ 0.07	$ 0.29
Basic and diluted weighted average shares outstanding	342.1	342.0	342.1	342.0