CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 24.5	$ 37.9
Depreciation and amortization	14.7	17.0
Benefit plan expense greater than cash funding	3.5	3.1
Deferred income taxes	1.3
Contributions to TiO2 manufacturing joint venture, net	(3.4)	(2.2)
Other, net	0.9	3.1
Change in assets and liabilities:
Accounts and other receivables, net	(29.7)	(39.7)
Inventories, net	35.7	2.7
Land held for development, net	(4.9)	(2.7)
Accounts payable and accrued liabilities	(2.0)	(35.0)
Accounts with affiliates	4.5	(1.5)
Income taxes	1.9	11.8
Other, net	9.6	(12.7)
Net cash provided by (used in) operating activities	56.6	(18.2)
Cash flows from investing activities:
Capital expenditures	(11.5)	(16.0)
Purchases of marketable securities	(0.9)	(0.4)
Proceeds from disposal of marketable securities	3.0	0.6
Other, net	2.1	2.7
Net cash used in investing activities	(7.3)	(13.1)
Cash flows from financing activities:
Principal payments on indebtedness	(3.9)	(3.2)
Valhi cash dividends paid	(2.2)	(6.8)
Distributions to noncontrolling interest in subsidiaries	(4.8)	(8.6)
Subsidiary treasury stock acquired	(0.8)	(1.0)
Net cash used in financing activities	(11.7)	(19.6)
Cash, cash equivalents and restricted cash and cash equivalents - net change from:
Operating, investing and financing activities	37.6	(50.9)
Effect of exchange rates on cash	(7.0)	(3.9)
Balance at beginning of period	570.3	583.8
Balance at end of period	600.9	529.0
Cash paid for:
Interest, net of capitalized interest	12.0	12.7
Income taxes, net	3.9	(0.7)
Noncash investing activities:
Change in accruals for capital expenditures	$ 2.4	$ 2.2