CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 350.0	$ 406.0
Restricted cash	1.8	2.1
Accounts and other receivables, net	416.4	379.1
Inventories, net	464.2	432.3
Prepaid expenses and other	47.1	38.5
Total current assets	1,279.5	1,258.0
Other assets:
Investment in TiO2 manufacturing joint venture	105.7	101.9
Restricted cash	4.4	4.5
Marketable securities	4.3	4.2
Operating lease right-of-use assets	21.5	19.9
Deferred income taxes	101.4	106.8
Other	14.7	14.1
Total other assets	252.0	251.4
Property and equipment:
Land	43.8	43.9
Buildings	221.8	222.2
Equipment	1,119.8	1,122.1
Mining properties	133.5	129.6
Construction in progress	80.4	72.7
Gross property and equipment	1,599.3	1,590.5
Less accumulated depreciation and amortization	1,095.5	1,087.1
Net property and equipment	503.8	503.4
Total assets	2,035.3	2,012.8
Current liabilities:
Current maturities of long-term debt	1.4	1.4
Accounts payable and accrued liabilities	261.0	275.1
Income taxes	18.7	12.3
Total current liabilities	281.1	288.8
Noncurrent liabilities:
Long-term debt	443.8	449.8
Accrued pension costs	282.3	287.4
Payable to affiliate - income taxes	44.7	44.7
Operating lease liabilities	17.2	15.8
Deferred income taxes	26.3	28.1
Other	26.3	28.0
Total noncurrent liabilities	840.6	853.8
Stockholders' equity:
Common stock	1.2	1.2
Additional paid-in capital	1,395.2	1,395.4
Retained deficit	(86.5)	(122.1)
Accumulated other comprehensive loss	(395.2)	(404.1)
Treasury stock, at cost	(1.1)	(0.2)
Total stockholders' equity	913.6	870.2
Total liabilities and stockholders' equity	2,035.3	2,012.8
Commitments and contingencies (Notes 10 and 12)