v3.25.2
Consolidated Statements of Cash Flows - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash Flows from Operating Activities:    
Net income $ 445.3 $ 345.9
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation, depletion, and amortization of intangibles 278.6 256.9
Amortization of deferred financing costs 1.0 1.2
Share-based compensation expense 28.1 29.2
Deferred income tax provision (benefit) 2.8 (5.9)
Net (gain) loss on asset disposals (19.7) 7.4
Pension and post-retirement benefits expense, net of contributions 4.2 3.1
Other, net 3.5 22.2
(Increase) decrease in assets ---    
Accounts receivable (51.1) (112.0)
Inventories (19.7) (16.4)
Prepaid expenses and other current assets 61.4 (142.3)
Increase (decrease) in liabilities -    
Accounts payable 29.4 53.1
Accrued liabilities (124.5) 92.3
Federal and state income taxes payable/receivable (0.6) 4.0
Net cash used for operating activities 638.7 538.7
Cash Flows from Investing Activities:    
Additions to property, plant, and equipment (317.8) (321.7)
Additions to other long-term assets (1.9) (1.7)
Proceeds from asset disposals 33.0 0.6
Purchases of available-for-sale debt securities (72.0) (62.6)
Proceeds from sales of available-for-sale debt securities 12.6 1.5
Proceeds from maturities of available-for-sale debt securities 59.1 60.1
Net cash used for investing activities (287.0) (323.8)
Cash Flows from Financing Activities:    
Repayments of debt and finance lease obligations (1.0) (1.0)
Common stock dividends paid (224.7) (224.2)
Shares withheld to cover employee restricted stock taxes (23.1) (24.1)
Net cash used for financing activities (248.8) (249.3)
Net increase (decrease) in cash and cash equivalents 102.9 (34.4)
Cash and cash equivalents, beginning of period 685.0 648.0
Cash and cash equivalents, end of period $ 787.9 $ 613.6