CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues and other income:
Net sales	$ 475.2	$ 455.2	$ 1,483.5	$ 1,431.4
Other income, net	13.6	20.1	35.5	59.8
Total revenues and other income	488.8	475.3	1,519.0	1,491.2
Costs and expenses:
Cost of sales	376.8	322.5	1,140.0	929.4
Selling, general and administrative	76.0	78.2	221.1	237.9
Litigation settlement expense, net	(0.3)		19.3	62.0
Other components of net periodic pension and OPEB expense	4.1	3.7	12.3	11.2
Interest	10.3	14.0	30.7	45.4
Total costs and expenses	466.9	418.4	1,423.4	1,285.9
Income from continuing operations before income taxes	21.9	56.9	95.6	205.3
Income tax expense (benefit)	4.7	(91.4)	31.8	(33.2)
Net income from continuing operations	17.2	148.3	63.8	238.5
Income from discontinued operations		0.7		38.7
Net income	17.2	149.0	63.8	277.2
Noncontrolling interest in net income of subsidiaries	4.1	5.5	25.3	32.7
Net income attributable to Valhi stockholders	13.1	143.5	38.5	244.5
Amounts attributable to Valhi stockholders:
Income from continuing operations	13.1	142.8	38.5	205.8
Income from discontinued operations		0.7		38.7
Net income attributable to Valhi stockholders	$ 13.1	$ 143.5	$ 38.5	$ 244.5
Basic and diluted net income per share:
Income from continuing operations	$ 0.04	$ 0.42	$ 0.11	$ 0.60
Income from discontinued operations				0.11
Net income attributable to Valhi stockholders	$ 0.04	$ 0.42	$ 0.11	$ 0.71
Basic and diluted weighted average shares outstanding	342.1	342.1	342.1	342.0