CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues and other income:
Net sales	$ 468.9	$ 556.3	$ 1,468.7	$ 1,819.9
Other income, net	7.5	23.1	31.1	38.1
Total revenues and other income	476.4	579.4	1,499.8	1,858.0
Cost and expenses:
Cost of sales	408.3	435.9	1,288.5	1,382.1
Selling, general and administrative	69.1	81.9	206.3	238.1
Other components of net periodic pension and OPEB expense	1.3	3.2	10.0	9.8
Fixed asset impairment	0.0	0.4	0.0	16.4
Loss on deconsolidation of BWC	0.0	2.0	0.0	2.0
Interest	7.2	7.0	21.4	20.9
Total costs and expenses	485.9	530.4	1,526.2	1,669.3
Income (loss) before income taxes	(9.5)	49.0	(26.4)	188.7
Income tax expense (benefit)	(7.6)	8.2	(18.6)	42.1
Net income (loss)	(1.9)	40.8	(7.8)	146.6
Noncontrolling interest in net income of subsidiaries	4.1	14.6	8.2	47.0
Net income (loss) attributable to Valhi stockholders	$ (6.0)	$ 26.2	$ (16.0)	$ 99.6
Amounts attributable to Valhi stockholders:
Basic, net income (loss) per share	$ (0.21)	$ 0.92	$ (0.56)	$ 3.49
Diluted, net income (loss) per share	$ (0.21)	$ 0.92	$ (0.56)	$ 3.49
Weighted average shares outstanding - basic	28.5	28.5	28.5	28.5
Weighted average shares outstanding - diluted	28.5	28.5	28.5	28.5