CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues and other income:
Net sales	$ 538.6	$ 530.6
Other income, net	0.8	12.2
Total revenues and other income	539.4	542.8
Cost and expenses:
Cost of sales	416.1	444.3
Selling, general and administrative	78.5	68.6
Other components of net periodic pension and OPEB expense	0.8	0.6
Interest	13.2	11.3
Total costs and expenses	508.6	524.8
Income before income taxes	30.8	18.0
Income tax expense	8.0	4.4
Net income	22.8	13.6
Noncontrolling interest in net income of subsidiaries	5.9	5.8
Net income attributable to Valhi stockholders	$ 16.9	$ 7.8
Amounts attributable to Valhi stockholders:
Basic net income (loss) per share (in dollars per share)	$ 0.59	$ 0.27
Diluted net income (loss) per share (in dollars per share)	$ 0.59	$ 0.27
Weighted average shares outstanding - basic (in shares)	28.5	28.5
Weighted average shares outstanding - diluted (in shares)	28.5	28.5