CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenues and other income:
Net sales	$ 560.1	$ 538.6
Other income, net	4.1	0.8
Total revenues and other income	564.2	539.4
Cost and other expense:
Cost of sales	457.1	416.1
Selling, general and administrative	77.5	78.5
Other components of net periodic pension and OPEB expense	0.8	0.8
Interest	14.7	13.2
Total cost and other expense	550.1	508.6
Income before income taxes	14.1	30.8
Income tax expense	6.3	8.0
Net income	7.8	22.8
Noncontrolling interest in net income of subsidiaries	5.8	5.9
Net income attributable to Valhi stockholders	$ 2.0	$ 16.9
Amounts attributable to Valhi stockholders:
Basic net income per share (in dollars per share)	$ 0.07	$ 0.59
Diluted net income per share (in dollars per share)	$ 0.07	$ 0.59
Weighted average shares outstanding - basic (in shares)	28.5	28.5
Weighted average shares outstanding - diluted (in shares)	28.5	28.5