CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 103.4	$ 45.3
Depreciation	26.0	25.5
Amortization of operating lease right-of-use assets	2.4	3.3
Deferred income taxes	3.3	1.1
Benefit plan expense greater than cash funding	3.9	5.1
Marketable equity securities	(2.4)	(1.3)
Contributions to TiO2 manufacturing joint venture, net	(4.1)	(0.2)
Other, net	2.4	0.4
Change in assets and liabilities:
Accounts and other receivables, net	(58.6)	(30.7)
Inventories, net	(30.3)	84.4
Prepaid expenses	(0.4)	2.6
Accounts payable and accrued liabilities	(14.2)	(40.5)
Income taxes	3.5	(8.6)
Accounts with affiliates	13.7	(8.6)
Other, net	0.7	0.3
Net cash provided by (used in) operating activities	49.3	78.1
Cash flows from investing activities:
Capital expenditures	(30.5)	(21.2)
Proceeds from insurance settlement	0.1
Net cash used in investing activities	(30.4)	(21.2)
Cash flows from financing activities:
Payments on long-term debt	(0.3)	(0.4)
Deferred financing fees		(1.8)
Dividends paid	(43.9)	(41.6)
Treasury stock acquired	(1.1)
Net cash used in financing activities	(45.3)	(43.8)
Cash, cash equivalents and restricted cash - net change from:
Operating, investing and financing activities	(26.4)	13.1
Effect of currency exchange rate changes on cash	(8.7)	(4.9)
Balance at beginning of period	412.6	362.0
Balance at end of period	377.5	370.2
Cash paid for:
Interest, net of amount capitalized	8.3	9.2
Income taxes	25.3	31.3
Accrual for capital expenditures	$ 2.5	$ 2.2