Consolidated Statements of Cash Flows - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Operating activities:
Net income		$ 81,965	$ 100,898
(Loss) income from discontinued operations, net of tax		(502)	26,163
Income from continuing operations		82,467	74,735
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		51,261	49,767
Deferred income taxes		(13,687)	866
Provision for credit losses		3,152	2,698
Amortization of debt issuance costs		309	228
Employee stock-based compensation costs		1,646	2,829
Pension and postretirement benefit plan net periodic benefit credit		(267)	(964)
Unrealized losses (gains) on investments		470	(2,594)
Losses on sales of assets		71	6
Changes in current assets and liabilities, net of acquisitions:
Receivables		15,128	12,130
Inventories		26,590	29,063
Other current assets		92,739	36,300
Accounts payable		(28,034)	(32,658)
Other current liabilities		(11,324)	(3,571)
Pension and postretirement benefit plan contributions		(385)	(8)
Other noncurrent changes		(2,162)	(24,813)
Net cash provided by continuing operations		217,974	144,014
Net cash (used in) provided by discontinued operations		(502)	21,083
Net cash provided by operating activities		217,472	165,097
Investing activities:
Capital expenditures		(93,034)	(116,986)
Net proceeds from sale or disposition of property		0	10
Salvage value, net of cost of removal		869	31
Investments		(2,574)	(2,580)
Proceeds from investment cost basis withdrawal		0	9,000
Net cash used in continuing operations		(94,739)	(110,525)
Net cash used in discontinued operations		0	(6,739)
Net cash used in investing activities		(94,739)	(117,264)
Financing activities:
Repayment of short-term borrowings		0	(95,000)
Issuance of long-term debt		0	89,200
Repayment of long-term debt		(99,104)	(623)
Debt issuance costs		(5)	(527)
Costs of issuance of common stock		0	(35)
Dividends paid		(26,511)	(25,904)
Tax withholding on stock-based compensation		(4,476)	(2,623)
Net cash used in continuing operations		(130,096)	(35,512)
Net cash used in discontinued operations		0	0
Net cash used in financing activities		(130,096)	(35,512)
(Decrease) increase in cash, cash equivalents and restricted cash		(7,363)	12,321
Cash, cash equivalents and restricted cash - beginning of year		66,904	76,975
Cash, cash equivalents and restricted cash - end of period *	[1]	$ 59,541	$ 89,296

[1] *Includes cash of discontinued operations of $16.6 million at March 31, 2024.