Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating activities:
Net income	$ 19,382	$ 29,733
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,992	23,617
Gain on disposition of property, plant and equipment	(50)	(123)
Stock compensation expense	2,306	2,552
Seeger divestiture charges	0	6,620
Changes in assets and liabilities, net of the effects of divestitures:
Accounts receivable	(7,590)	9,592
Inventories	78	(12,788)
Prepaid expenses and other current assets	(4,882)	(3,227)
Accounts payable	9,121	1,328
Accrued liabilities	(6,456)	(7,885)
Deferred income taxes	(101)	462
Long-term retirement benefits	(569)	(3,518)
Other	2,381	826
Net cash provided by operating activities	35,612	47,189
Investing activities:
Proceeds from disposition of property, plant and equipment	83	185
Proceeds from the sale of businesses, net of cash sold	0	36,879
Capital expenditures	(7,855)	(11,912)
Other	3,758	0
Net cash (used) provided by investing activities	(4,014)	25,152
Financing activities:
Net change in other borrowings	5,354	20,775
Payments on long-term debt	(30,933)	(108,521)
Proceeds from the issuance of long-term debt	15,000	75,000
Proceeds from the issuance of common stock	125	183
Common stock repurchases	0	(15,550)
Dividends paid	(8,104)	(8,133)
Withholding taxes paid on stock issuances	(68)	(84)
Other	(5,816)	(7,252)
Net cash used by financing activities	(24,442)	(43,582)
Effect of exchange rate changes on cash flows	(2,331)	(3,111)
Increase in cash, cash equivalents and restricted cash	4,825	25,648
Cash, cash equivalents and restricted cash at beginning of period	91,468	93,805
Cash, cash equivalents and restricted cash at end of period	96,293	119,453
Cash and cash equivalents	84,900	112,827
Prepaid Expenses and Other Current Assets
Financing activities:
Restricted cash	(6,198)	0
Other Noncurrent Assets
Financing activities:
Restricted cash	$ (5,195)	$ (6,626)