CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net income	$ 63.4	$ 24.5
Depreciation and amortization	14.8	14.7
Benefit plan expense greater than cash funding	1.8	3.5
Deferred income taxes	3.1	1.3
Contributions to TiO2 manufacturing joint venture, net	(3.8)	(3.4)
Other, net	2.7	0.9
Change in assets and liabilities:
Accounts and other receivables, net	(43.9)	(29.7)
Land held for development, net	7.1	(4.9)
Inventories, net	(35.3)	35.7
Accounts payable and accrued liabilities	(37.7)	(2.0)
Income taxes	7.1	1.9
Accounts with affiliates	8.1	4.5
Other, net	(10.2)	9.6
Net cash provided by (used in) operating activities	(22.8)	56.6
Cash flows from investing activities:
Capital expenditures	(16.2)	(11.5)
Purchases of marketable securities	(0.1)	(0.9)
Proceeds from disposal of marketable securities	0.8	3.0
Other, net		2.1
Net cash used in investing activities	(15.5)	(7.3)
Cash flows from financing activities:
Principal payments on indebtedness	(5.9)	(3.9)
Valhi cash dividends paid	(2.2)	(2.2)
Distributions to noncontrolling interest in subsidiaries	(5.2)	(4.8)
Subsidiary treasury stock acquired	(1.1)	(0.8)
Net cash used in financing activities	(14.4)	(11.7)
Cash, cash equivalents and restricted cash and cash equivalents - net change from:
Operating, investing and financial activities	(52.7)	37.6
Effect of exchange rates on cash	(0.4)	(7.0)
Balance at beginning of period	792.9	570.3
Balance at end of period	739.8	600.9
Cash paid for:
Interest, net of amounts capitalized	10.2	12.0
Income taxes, net	6.2	3.9
Noncash investing activities:
Change in accruals for capital expenditures	$ 3.8	$ 2.4