Consolidated Balance Sheets Unaudited - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 751.7	$ 685.0
Short-term marketable debt securities	91.4	102.0
Accounts receivable, net of allowance for credit losses and customer deductions of $20.8 million and $20.6 million as of March 31, 2025 and December 31, 2024, respectively	1,164.1	1,144.0
Inventories	1,140.6	1,124.9
Prepaid expenses and other current assets	154.7	166.9
Federal and state income taxes receivable	0.0	10.2
Total current assets	3,302.5	3,233.0
Property, plant, and equipment, net	4,079.5	4,039.0
Goodwill	922.4	922.4
Other intangible assets, net	182.5	191.9
Operating lease right-of-use assets	306.9	276.9
Long-term marketable debt securities	71.3	65.2
Other long-term assets	104.7	104.8
Total assets	8,969.8	8,833.2
Current liabilities:
Operating lease obligations	84.1	80.5
Finance lease obligations	2.2	2.1
Accounts payable	480.9	430.3
Dividends payable	116.0	116.3
Accrued liabilities	262.5	362.9
Accrued interest	32.5	9.5
Federal and state income taxes payable	29.5	0.0
Total current liabilities	1,007.7	1,001.6
Long-term liabilities:
Long-term debt	2,474.7	2,474.2
Operating lease obligations	235.4	208.0
Finance lease obligations	6.1	6.7
Deferred income taxes	570.8	561.9
Compensation and benefits	94.4	95.9
Other long-term liabilities	81.5	80.9
Total long-term liabilities	3,462.9	3,427.6
Commitments and contingent liabilities (Note 19)
Stockholders' equity:
Common stock, par value $0.01 per share, 300.0 million shares authorized, and 89.9 million and 89.8 million shares issued as of March 31, 2025 and December 31, 2024, respectively	0.9	0.9
Additional paid in capital	687.8	669.8
Retained earnings	3,852.8	3,776.7
Accumulated other comprehensive loss	(42.3)	(43.4)
Total stockholders' equity	4,499.2	4,404.0
Total liabilities and stockholders' equity	$ 8,969.8	$ 8,833.2