CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Cash Flows from Operating Activities:
Net Income	$ 54,586	$ 62,371
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	48,297	47,638
Amortization	10,963	11,027
Stock-based compensation	15,042	13,362
Provision for CECL	2,203	1,393
Gain on disposition of fixed assets	(302)	(182)
Net (gain) loss on remeasurement of equity securities	(188)	1,250
Deferred income taxes	(5,483)	(2,859)
Defined benefit plan expense	3,537	6,225
Equity in results of affiliates	131	86
Change in fair value of contingent consideration	0	(1,050)
Changes in balance sheet items, excluding effects from foreign currency adjustments:
Accounts and other receivables	(7,845)	(28,977)
Inventories	(17,415)	(21,758)
Prepaid and other current assets	(20,578)	(10,629)
Accounts payable, accrued and other liabilities	24,639	32,012
Income taxes payable	(364)	1,697
Retirement and deferred compensation plan liabilities	(7,809)	(19,913)
Other changes, net	(1,110)	384
Net Cash Provided by Operations	98,304	92,077
Cash Flows from Investing Activities:
Capital expenditures	(77,825)	(73,058)
Proceeds from government grants	0	7,955
Proceeds from sale of property, plant and equipment	635	446
Maturity of short-term investment	0	24
Acquisition of businesses, net of cash acquired and release of escrow	(11,209)	0
Acquisition of intangible assets, net	(650)	0
Proceeds from sale of investment in equity securities	0	1,088
Notes receivable, net	(132)	(4,876)
Net Cash Used by Investing Activities	(89,181)	(68,421)
Cash Flows from Financing Activities:
Proceeds from notes payable and overdrafts	16,086	9,172
Repayments of notes payable and overdrafts	(7,473)	(11,293)
Repayments and proceeds of short term revolving credit facility, net	0	(144,345)
Proceeds from long-term obligations	210	402,153
Repayments of long-term obligations	(2,888)	(2,795)
Debt issuance costs	0	(3,766)
Dividends paid	(24,848)	(24,912)
Proceeds from stock option exercises	13,809	3,688
Purchase of treasury stock	(19,729)	(15,983)
Net Cash (Used) Provided by Financing Activities	(24,833)	211,919
Effect of Exchange Rate Changes on Cash	788	(2,871)
Net (Decrease) Increase in Cash and Equivalents and Restricted Cash	(14,922)	232,704
Cash and Equivalents and Restricted Cash at Beginning of Period	142,732	122,925
Cash and Equivalents and Restricted Cash at End of Period	127,810	355,629
Cash and equivalents	126,810	355,629
Restricted cash included in prepaid and other	1,000	0
Total Cash and Equivalents and Restricted Cash shown in the Statement of Cash Flows	$ 127,810	$ 355,629