Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flows from Operating Activities:
Consolidated net earnings	$ 866.8	$ 702.8	$ 721.1
Adjustments to reconcile consolidated net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	506.0	451.7	393.5
Stock-based compensation expense	42.7	43.0	30.0
Gains on divestitures, sales of assets and extinguishment of debt	(195.7)	(21.7)	(73.0)
Deferred income taxes, net	(0.6)	92.2	43.8
Other items, net	(11.7)	(14.9)	2.1
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable, net	(12.1)	(194.4)	6.1
Inventories, net	(131.7)	73.2	(19.3)
Accounts payable	(31.2)	109.8	(34.0)
Other assets and liabilities, net	(41.3)	(104.0)	(20.2)
Net Cash Provided by Operating Activities	991.2	1,137.7	1,050.1
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(481.8)	(423.1)	(359.7)
Acquisitions, net of cash acquired	11.0	(3,109.2)	(65.1)
Proceeds from divestitures and sales of assets	687.1	42.8	142.3
Purchase of restricted investments to discharge long-term debt	(704.6)	0.0	0.0
Investments in life insurance contracts, net	7.5	14.9	(111.2)
Other investing activities, net	(3.0)	0.0	(16.0)
Net Cash Used for Investing Activities	(483.8)	(3,474.6)	(409.7)
Cash Flows from Financing Activities:
Borrowings of long-term debt	0.0	2,896.7	628.1
Repayments of long-term debt	(54.5)	(420.1)	(777.1)
Debt issuance and extinguishment costs	(0.7)	(7.5)	(2.0)
Payments on finance lease obligations	(15.0)	(11.1)	(3.5)
Dividends paid	(159.1)	(147.8)	(140.3)
Repurchases of common stock	(150.0)	0.0	(50.0)
Distributions to owners of noncontrolling interest	0.0	(0.6)	0.0
Proceeds from exercise of stock options	0.6	1.3	2.3
Shares withheld for employees’ income tax obligations	(28.8)	(19.5)	(14.5)
Net Cash (Used for) Provided by Financing Activities	(407.5)	2,291.4	(357.0)
Net Increase (Decrease) in Cash, Cash Equivalents and Restricted Cash	99.9	(45.5)	283.4
Cash, Cash Equivalents and Restricted Cash, beginning of year	258.9	304.4	21.0
Cash, Cash Equivalents and Restricted Cash, end of year	$ 358.8	$ 258.9	$ 304.4