Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash provided by (used for) operations
Net income	$ 307,454	$ 386,121
Items in net income not using (providing) cash
Depreciation and amortization, including deferred financing costs and other	109,531	95,516
Stock-based compensation	11,668	11,518
Pension expense	111	122
Deferred income taxes	15,096	4,351
Change in fair value of interest rate swaps	1,573	798
Other	322	(1,877)
Decrease (increase) in working capital, net of acquisitions
Receivables	(51,192)	(158,756)
Inventories	(80,739)	14,145
Prepaid expenses and other	(6,697)	(6,604)
Accounts payable and accrued liabilities	44,547	152,303
Income taxes payable	(3,970)	23,664
Other	(3,952)	(172)
Net cash provided by operations	343,752	521,129
Cash provided by (used for) investment
Expenditures for property and equipment	(135,760)	(99,251)
Acquisitions of businesses and facilities	(5,581)	0
Proceeds from sales of assets and other	1,197	2,450
Net cash used for investment	(140,144)	(96,801)
Cash provided by (used for) financing
Treasury stock purchased	(158,509)	(1,539)
Dividends paid on common stock	(220,485)	(140,885)
Tax withholding payments on stock-based awards	(11,141)	(5,926)
Other	(1,448)	(1,359)
Net cash used for financing	(391,583)	(149,709)
Net increase (decrease) in cash and cash equivalents	(187,975)	274,619
Balance at beginning of the period	949,574	998,344
Balance at end of the period	$ 761,599	$ 1,272,963