CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Activities
Net earnings	$ 934.9	$ 576.5	$ 670.4
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation, depletion, accretion and amortization	617.0	587.5	463.0
Loss on impairments	28.3	67.9	4.6
Noncash operating lease expense	53.9	60.3	49.0
Net gain on sale of property, plant & equipment and businesses	(76.4)	(10.7)	(120.1)
Contributions to pension plans	(7.4)	(7.8)	(8.0)
Share-based compensation expense	63.2	41.1	34.7
Deferred income taxes, net	(43.3)	57.7	66.8
(Increase) decrease in assets excluding the initial effects of business acquisitions and dispositions
Accounts and notes receivable	28.2	(53.3)	(42.0)
Inventories	(54.6)	(49.5)	8.3
Other assets	27.8	(92.3)	(44.0)
Increase (decrease) in liabilities excluding the initial effects of business acquisitions and dispositions
Accrued interest and income taxes	18.8	0.4	(0.4)
Trade payables and other accruals	(25.1)	(17.4)	(23.3)
Other noncurrent liabilities	(42.4)	(36.4)	(78.9)
Other, net	13.9	24.2	31.8
Net cash provided by operating activities	1,536.8	1,148.2	1,011.9
Investing Activities
Purchases of property, plant & equipment	(872.6)	(612.6)	(451.3)
Proceeds from sale of property, plant & equipment	94.6	38.7	216.5
Proceeds from sale of businesses	613.6	50.0	0.0
Payment for businesses acquired, net of acquired cash and adjustments	0.9	(529.2)	(1,639.4)
Other, net	(0.0)	0.1	0.1
Net cash used for investing activities	(163.5)	(1,053.0)	(1,874.1)
Financing Activities
Proceeds from short-term debt	166.1	1,361.0	0.0
Payment of short-term debt	(266.1)	(1,261.0)	(0.0)
Payment of current maturities and long-term debt	(550.5)	(557.7)	(1,451.7)
Proceeds from issuance of long-term debt	550.0	550.0	1,600.0
Debt issuance and exchange costs	(3.4)	(2.8)	(13.3)
Payment of finance leases	(30.8)	(33.8)	(13.5)
Purchases of common stock	(200.0)	(0.0)	(0.0)
Dividends paid	(228.4)	(212.6)	(196.4)
Share-based compensation, shares withheld for taxes	(21.9)	(18.5)	(19.1)
Distribution to noncontrolling interest	(0.8)	(0.0)	(0.0)
Other, net	0.2	0.2	(0.3)
Net cash used for financing activities	(585.6)	(175.2)	(94.3)
Net increase (decrease) in cash and cash equivalents and restricted cash	787.7	(80.0)	(956.5)
Cash and cash equivalents and restricted cash at beginning of year	161.5	241.5	1,198.0
Cash and cash equivalents and restricted cash at end of year	$ 949.2	$ 161.5	$ 241.5