Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities:
Net income	$ 117,377	$ 127,357
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	75,692	70,405
Loss on disposition of property, plant and equipment	35	124
Stock compensation expense	9,740	8,850
Changes in assets and liabilities, net of the effects of acquisitions:
Accounts receivable	9,741	(12,136)
Inventories	6,145	(24,525)
Prepaid expenses and other current assets	(12,494)	(7,186)
Accounts payable	(19,541)	4,824
Accrued liabilities	(216)	9,765
Deferred income taxes	(2,617)	(13,758)
Long-term retirement benefits	(16,862)	544
Long-term tax liability	(6,949)	(7,465)
Other	1,298	1,162
Net cash provided by operating activities	161,349	157,961
Investing activities:
Proceeds from disposition of property, plant and equipment	233	491
Capital expenditures	(37,722)	(40,168)
Business acquisitions, net of cash acquired	(6,061)	(30,837)
Revenue Sharing Program payments	0	(5,800)
Other	0	(1,000)
Net cash used in investing activities	(43,550)	(77,314)
Financing activities:
Net change in other borrowings	16,415	(5,542)
Payments on long-term debt	(290,593)	(381,887)
Proceeds from the issuance of long-term debt	230,625	414,989
Proceeds from the issuance of common stock	2,458	721
Common stock repurchases	(50,347)	(138,275)
Dividends paid	(24,414)	(23,996)
Withholding taxes paid on stock issuances	(5,913)	(5,149)
Other	(13,034)	(3,598)
Net cash used in financing activities	(134,803)	(142,737)
Effect of exchange rate changes on cash flows	(3,247)	(3,813)
Decrease in cash and cash equivalents	(20,251)	(65,903)
Cash and cash equivalents at beginning of period	100,719	145,290
Cash and cash equivalents at end of period	$ 80,468	$ 79,387