CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Activities
Net earnings	$ 670.4	$ 584.5	$ 617.7
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation, depletion, accretion and amortization	463.0	396.8	374.6
Noncash operating lease expense	49.0	38.3	35.3
Net gain on sale of property, plant & equipment and businesses	(120.1)	(4.0)	(23.8)
Contributions to pension plans	(8.0)	(8.8)	(8.9)
Share-based compensation expense	34.7	33.0	31.8
Deferred tax expense	66.8	62.0	76.0
(Increase) decrease in liabilities excluding the initial effects of business acquisitions and dispositions
Accounts and notes receivable	(42.0)	13.4	(29.7)
Inventories	8.3	9.8	(28.3)
Prepaid expenses	(14.2)	2.6	6.0
Other assets	(29.8)	(14.4)	(61.2)
Increase (decrease) in liabilities excluding the initial effects of business acquisitions and dispositions
Accrued interest and income taxes	(0.4)	0.8	(4.6)
Trade payables and other accruals	(23.3)	(6.9)	21.8
Other noncurrent liabilities	(78.9)	(44.9)	(51.2)
Other, net	36.4	8.2	28.6
Net cash provided by operating activities	1,011.9	1,070.4	984.1
Investing Activities
Purchases of property, plant & equipment	(451.3)	(362.2)	(384.1)
Proceeds from sale of property, plant & equipment	216.5	11.5	22.7
Proceeds from sale of businesses	0.0	1.0	1.7
Payment for businesses acquired, net of acquired cash	(1,639.4)	(43.2)	(44.2)
Other, net	0.1	11.4	(11.9)
Net cash used for investing activities	(1,874.1)	(381.5)	(415.8)
Financing Activities
Proceeds from short-term debt	0.0	0.0	366.9
Payment of short-term debt	(0.0)	(0.0)	(499.9)
Payment of current maturities and long-term debt	(1,451.7)	(250.0)	(0.0)
Proceeds from issuance of long-term debt	1,600.0	750.0	0.0
Debt issuance and exchange costs	(13.3)	(15.4)	(0.0)
Payment of finance leases	(13.5)	(1.6)	(0.0)
Settlements of interest rate derivatives	(0.0)	(19.9)	(0.0)
Purchases of common stock	(0.0)	(26.1)	(2.6)
Dividends paid	(196.4)	(180.2)	(164.0)
Share-based compensation, shares withheld for taxes	(19.1)	(22.1)	(38.5)
Other, net	(0.3)	(0.1)	(0.1)
Net cash provided by (used for) financing activities	(94.3)	234.6	(338.2)
Net increase (decrease) in cash and cash equivalents and restricted cash	(956.5)	923.5	230.1
Cash and cash equivalents and restricted cash at beginning of year	1,198.0	274.5	44.4
Cash and cash equivalents and restricted cash at end of year	$ 241.5	$ 1,198.0	$ 274.5