Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 229.4	$ 358.0
Restricted cash	0.1	0.8
Restricted investments	702.3	704.6
Accounts receivable, net	796.7	785.9
Inventories, net	948.7	873.7
Current assets held for sale	60.1	73.2
Other current assets	75.4	80.7
Total Current Assets	2,812.7	2,876.9
Property, plant and equipment	10,721.0	10,661.0
Allowances for depreciation, depletion and amortization	(4,441.5)	(4,344.3)
Net property, plant and equipment	6,279.5	6,316.7
Goodwill	3,649.5	3,649.5
Other intangibles, net	840.8	847.8
Operating lease right-of-use assets, net	382.9	383.5
Noncurrent assets held for sale	374.6	372.5
Other noncurrent assets	550.9	546.7
Total Assets	14,890.9	14,993.6
Current Liabilities:
Accounts payable	302.6	385.0
Accrued salaries, benefits and payroll taxes	37.9	71.6
Accrued other taxes	51.9	55.4
Accrued interest	41.2	42.8
Current maturities of discharged long-term debt	699.6	699.1
Operating lease liabilities	53.3	52.1
Current liabilities held for sale	4.2	4.5
Other current liabilities	137.3	135.1
Total Current Liabilities	1,328.0	1,445.6
Long-term debt	4,342.0	4,340.9
Deferred income taxes, net	921.0	914.3
Noncurrent operating lease liabilities	337.3	335.9
Noncurrent liabilities held for sale	21.2	21.8
Other noncurrent liabilities	763.9	762.3
Total Liabilities	7,713.4	7,820.8
Equity:
Common stock, par value $0.01 per share (62.0 shares and 62.1 shares outstanding at March 31, 2023 and December 31, 2022, respectively)	0.6	0.6
Preferred stock, par value $0.01 per share	0.0	0.0
Additional paid-in capital	3,487.2	3,489.0
Accumulated other comprehensive loss	(37.4)	(38.5)
Retained earnings	3,724.6	3,719.4
Total Shareholders' Equity	7,175.0	7,170.5
Noncontrolling interests	2.5	2.3
Total Equity	7,177.5	7,172.8
Total Liabilities and Equity	$ 14,890.9	$ 14,993.6