Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities:
Net income	$ 71,736	$ 45,658
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	68,004	66,045
Gain on disposition of property, plant and equipment	(414)	(303)
Stock compensation expense	9,212	8,094
Seeger divestiture charges	0	6,620
Changes in assets and liabilities, net of the effects of divestitures:
Accounts receivable	(15,649)	103,161
Inventories	(5,582)	(11,616)
Prepaid expenses and other current assets	(7,205)	(10,168)
Accounts payable	17,827	(24,476)
Accrued liabilities	(1,051)	(7,981)
Deferred income taxes	(7,052)	(5,032)
Long-term retirement benefits	2,308	(2,517)
Long-term tax liability	(6,949)	(6,949)
Other	2,605	3,296
Net cash provided by operating activities	127,790	163,832
Investing activities:
Proceeds from disposition of property, plant and equipment	1,204	580
Proceeds from the sale of businesses, net of cash sold	0	36,879
Capital expenditures	(26,735)	(30,170)
Other	2,107	0
Net cash (used) provided by investing activities	(23,424)	7,289
Financing activities:
Net change in other borrowings	(226)	6,794
Payments on long-term debt	(73,081)	(219,279)
Proceeds from the issuance of long-term debt	25,000	75,000
Proceeds from the issuance of common stock	464	1,661
Common stock repurchases	(5,229)	(15,550)
Dividends paid	(24,293)	(24,302)
Withholding taxes paid on stock issuances	(1,356)	(3,177)
Other	(9,835)	(2,217)
Net cash used by financing activities	(88,556)	(181,070)
Effect of exchange rate changes on cash flows	(2,923)	675
Increase (decrease) in cash, cash equivalents and restricted cash	12,887	(9,274)
Cash, cash equivalents and restricted cash at beginning of period	91,468	93,805
Cash, cash equivalents and restricted cash at end of period	104,355	84,531
Cash and cash equivalents at end of period	93,475	77,485
Prepaid Expenses and Other Current Assets
Financing activities:
Restricted cash	(6,239)	0
Other Noncurrent Assets
Financing activities:
Restricted cash	$ (4,641)	$ (7,046)