Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 13,159	$ 20,484
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation and amortization	24,048	22,301
Gain on disposition of property, plant and equipment	(55)	(1)
Stock compensation expense	2,627	2,534
Changes in assets and liabilities:
Accounts receivable	(2,209)	(10,961)
Inventories	(7,062)	(15,154)
Prepaid expenses and other current assets	(3,412)	(5,809)
Accounts payable	6,450	4,163
Accrued liabilities	(636)	(28,197)
Deferred income taxes	1,356	2,115
Long-term retirement benefits	(3,883)	(1,862)
Other	1,832	1,074
Net cash provided (used) by operating activities	32,215	(9,313)
Investing activities:
Proceeds from disposition of property, plant and equipment	190	60
Capital expenditures	(10,946)	(7,405)
Other	(525)	(1,094)
Net cash used by investing activities	(11,281)	(8,439)
Financing activities:
Net change in other borrowings	(109)	(784)
Payments on long-term debt	(44,343)	(34,918)
Proceeds from the issuance of long-term debt	31,208	35,000
Proceeds from the issuance of common stock	94	153
Dividends paid	(8,096)	(8,111)
Withholding taxes paid on stock issuances	(252)	(49)
Other	(1,139)	(3,665)
Net cash used by financing activities	(22,637)	(12,374)
Effect of exchange rate changes on cash flows	1,438	137
Decrease in cash, cash equivalents and restricted cash	(265)	(29,989)
Cash, cash equivalents and restricted cash at beginning of period	81,128	111,909
Cash, cash equivalents and restricted cash at end of period	80,863	81,920
Cash and cash equivalents at end of period	78,684	75,255
Prepaid Expenses and Other Current Assets
Financing activities:
Restricted cash	(2,179)	(4,434)
Other Noncurrent Assets
Financing activities:
Restricted cash	$ 0	$ (2,231)