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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Operating Activities:    
Net earnings $ 313.0 $ 552.0
Adjustments to reconcile net earnings to net cash provided by operating activities:    
Depreciation and amortization 662.0 663.0
Deferred income taxes (74.0) 116.0
Stock-based compensation expense 20.0 24.0
Unrealized net (gain) loss on natural gas derivatives (12.0) 3.0
Unrealized loss on embedded derivative 2.0 3.0
Loss (gain) on disposal of property, plant and equipment 14.0 (43.0)
Undistributed (earnings) losses of affiliate—net of taxes (2.0) 3.0
Changes in:    
Accounts receivable—net 7.0 (79.0)
Inventories 29.0 17.0
Accrued and prepaid income taxes 50.0 12.0
Accounts payable and accrued expenses (42.0) (67.0)
Customer advances 25.0 35.0
Other—net (51.0) (36.0)
Net cash provided by operating activities 941.0 1,203.0
Investing Activities:    
Additions to property, plant and equipment (206.0) (297.0)
Proceeds from sale of property, plant and equipment 2.0 71.0
Distribution received from unconsolidated affiliate 1.0 0.0
Insurance proceeds for property, plant and equipment 2.0 15.0
Net cash used in investing activities (201.0) (211.0)
Financing Activities:    
Proceeds from short-term borrowings 500.0 0.0
Repayments of Short-term Debt (500.0) 0.0
Dividends paid on common stock (193.0) (200.0)
Distributions to noncontrolling interest (174.0) (186.0)
Purchases of treasury stock (100.0) (280.0)
Issuances of common stock under employee stock plans 4.0 17.0
Shares withheld for taxes (10.0) (4.0)
Net cash provided by (used in) financing activities (473.0) (653.0)
Effect of exchange rate changes on cash and cash equivalents (1.0) (2.0)
Increase in cash and cash equivalents 266.0 337.0
Cash and cash equivalents at beginning of period 287.0 682.0
Cash and cash equivalents at end of period $ 553.0 $ 1,019.0