CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues and other income:
Net sales	$ 1,820.1	$ 1,879.4	$ 1,519.4
Other income, net	69.2	25.2	39.0
Total revenues and other income	1,889.3	1,904.6	1,558.4
Costs and expenses:
Cost of sales	1,210.9	1,266.5	1,211.5
Selling, general and administrative	310.0	262.6	232.6
Contract related intangible asset impairment			5.1
Litigation settlement expense, net	62.0
Loss on prepayment of debt		7.1
Other components of net periodic pension expense	14.5	17.7	11.5
Interest	55.7	58.9	58.1
Total costs and expenses	1,653.1	1,612.8	1,518.8
Income from continuing operations before income taxes	236.2	291.8	39.6
Income tax expense (benefit)	(30.7)	(120.0)	18.6
Net income from continuing operations	266.9	411.8	21.0
Income (loss) from discontinued operations, net of tax	34.1	(109.2)	(24.0)
Net income (loss)	301.0	302.6	(3.0)
Noncontrolling interest in net income of subsidiaries	38.8	95.1	12.9
Net income (loss) attributable to Valhi stockholders	262.2	207.5	(15.9)
Amounts attributable to Valhi stockholders:
Income from continuing operations	228.1	316.7	8.1
Income (loss) from discontinued operations	34.1	(109.2)	(24.0)
Net income (loss) attributable to Valhi stockholders	$ 262.2	$ 207.5	$ (15.9)
Basic and diluted net income (loss) per share:
Income from continuing operations	$ 0.67	$ 0.93	$ 0.02
Income (loss) from discontinued operations	0.10	(0.32)	(0.07)
Net income (loss) per share	0.77	0.61	(0.05)
Cash dividends per share	$ 0.08	$ 0.08	$ 0.08
Basic and diluted weighted average shares outstanding	342.0	342.0	342.0