Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Operating activities:
Net income	$ 45,658	$ 117,377
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	66,045	75,692
(Gain) loss on disposition of property, plant and equipment	(303)	35
Stock compensation expense	8,094	9,740
Seeger divestiture charges	6,620	0
Changes in assets and liabilities, net of the effects of divestitures:
Accounts receivable	103,161	9,741
Inventories	(11,616)	6,145
Prepaid expenses and other current assets	(10,168)	(12,494)
Accounts payable	(24,476)	(19,541)
Accrued liabilities	(7,981)	(216)
Deferred income taxes	(5,032)	(2,617)
Long-term retirement benefits	(2,517)	(16,862)
Long-term tax liability	(6,949)	(6,949)
Other	2,871	1,298
Net cash provided by operating activities	163,407	161,349
Investing activities:
Proceeds from disposition of property, plant and equipment	580	233
Proceeds from the sale of businesses, net of cash sold	36,879	0
Investment in restricted cash	(6,621)	0
Capital expenditures	(30,170)	(37,722)
Business acquisitions, net of cash acquired	0	(6,061)
Net cash provided (used) by investing activities	668	(43,550)
Financing activities:
Net change in other borrowings	6,794	16,415
Payments on long-term debt	(194,279)	(290,593)
Proceeds from the issuance of long-term debt	50,000	230,625
Proceeds from the issuance of common stock	1,661	2,458
Common stock repurchases	(15,550)	(50,347)
Dividends paid	(24,302)	(24,414)
Withholding taxes paid on stock issuances	(3,177)	(5,913)
Other	(2,217)	(13,034)
Net cash used by financing activities	(181,070)	(134,803)
Effect of exchange rate changes on cash flows	675	(3,247)
Decrease in cash and cash equivalents	(16,320)	(20,251)
Cash and cash equivalents at beginning of period	93,805	100,719
Cash and cash equivalents at end of period	$ 77,485	$ 80,468