CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues and other income:
Net sales	$ 466.0	$ 405.3
Other income, net	20.4	7.6
Total revenues and other income	486.4	412.9
Costs and expenses:
Cost of sales	280.7	288.7
Selling, general and administrative	80.2	63.5
Other components of net periodic pension and OPEB expense	3.7	4.1
Interest	15.4	14.5
Total costs and expenses	380.0	370.8
Income from continuing operations before income taxes	106.4	42.1
Income tax expense	36.2	18.6
Net income from continuing operations	70.2	23.5
Income (loss) from discontinued operations, net of tax	37.6	(1.7)
Net income	107.8	21.8
Noncontrolling interest in net income of subsidiaries	18.5	9.1
Net income attributable to Valhi stockholders	89.3	12.7
Amounts attributable to Valhi stockholders:
Income from continuing operations	51.7	14.4
Income (loss) from discontinued operations	37.6	(1.7)
Net income attributable to Valhi stockholders	$ 89.3	$ 12.7
Basic and diluted net income per share:
Income from continuing operations	$ 0.15	$ 0.04
Income from discontinued operations	0.11
Net income attributable to Valhi stockholders	0.26	0.04
Cash dividends per share	$ 0.02	$ 0.02
Basic and diluted weighted average shares outstanding	342.0	342.0