Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Consolidated net earnings	$ 243.5	$ 232.3
Adjustments to reconcile consolidated net earnings to net cash provided by operating activities:
Depreciation, depletion and amortization	193.4	182.0
Stock-based compensation expense	19.7	22.3
Gain on divestitures and sales of assets	(3.1)	(3.9)
Deferred income taxes	6.6	(6.4)
Other items, net	1.2	14.9
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable, net	(117.4)	(187.1)
Inventories, net	(21.7)	15.7
Accounts payable	(0.5)	36.6
Other assets and liabilities, net	51.5	27.3
Net Cash Provided by Operating Activities	373.2	333.7
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(175.7)	(207.4)
Acquisitions, net	(2.3)
Proceeds from divestitures and sales of assets	17.9	6.0
Investments in life insurance contracts, net	(6.2)	0.5
Other investing activities, net	(4.5)	(1.0)
Net Cash Used for Investing Activities	(170.8)	(201.9)
Cash Flows from Financing Activities:
Borrowings of debt	618.0	165.0
Repayments of debt	(637.0)	(170.0)
Payments on financing leases	(1.6)	(1.8)
Debt issuance costs	(1.7)
Distributions to owners of noncontrolling interest		(0.6)
Repurchases of common stock	(50.0)	(50.0)
Dividends paid	(69.4)	(60.6)
Proceeds from exercise of stock options	1.3	7.1
Shares withheld for employees' income tax obligations	(12.9)	(12.2)
Net Cash Used for Financing Activities	(153.3)	(123.1)
Net Increase in Cash and Cash Equivalents	49.1	8.7
Cash and Cash Equivalents, beginning of period	21.0	44.9
Cash and Cash Equivalents, end of period	$ 70.1	$ 53.6