Consolidated Statement of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Activities
Net income	$ 137,649	$ 125,115	$ 26,956
Depreciation and amortization	38,020	37,852	37,877
Restructuring charges (Note 2)	0	0	11,384
Stock-based compensation (Note 10)	13,760	12,239	11,758
Pension expense (Note 14) and other charges	3,382	5,901	7,142
Deferred income tax provision (benefit) (Note 9)	1,272	(4,065)	(31,320)
Losses on asset dispositions, net	371	484	557
Pension contributions (Note 14)	(5,537)	(4,718)	(4,094)
Currency exchange losses, net (Note 5)	19,814	2,330	5,127
Product liability expense (Note 19)	26,619	45,327	126,432
Collections on insurance receivable and notes receivable, insurance companies (Note 19)	21,035	101,552	111,969
Product liability payments (Note 19)	(54,504)	(61,500)	(49,381)
Loss on extinguishment of debt (Note 11)	0	1,494	0
Trade receivables	(8,855)	(10,075)	(6,384)
Inventories (Note 3)	(23,246)	(11,122)	(30,363)
Prepaid expenses and other current assets	(822)	10,866	(13,661)
Accounts payable and accrued liabilities	5,801	17,985	17,870
Other noncurrent assets and liabilities	(9,797)	(5,778)	8,467
Cash Flow From Operating Activities	164,962	263,887	230,336
Investing Activities
Capital expenditures	(36,604)	(33,960)	(23,725)
Purchase of short-term investments (Note 18)	(169,245)	(73,022)	0
Proceeds from maturities of short-term investments (Note 18)	174,670	18,000	0
Acquisition, net of cash acquired (Note 13)	(33,196)	0	(216,308)
Property disposals and other investing	218	4,587	832
Cash Flow (Used In) Investing Activities	(64,157)	(84,395)	(239,201)
Financing Activities
(Payments on) proceeds from short-term debt, net (Note 11)	(65)	51	13
Payments on long-term debt (Note 11)	(880,500)	(570,167)	(559,767)
Proceeds from long-term debt (Note 11)	864,000	462,500	637,000
Debt issuance costs	0	(1,216)	0
Cash dividends paid	(63,523)	(57,248)	(52,537)
Company stock purchases (Note 6)	(12,648)	(4,824)	(17,513)
Exercise of stock options (Note 6)	7,471	8,573	18,465
Employee stock purchase plan (Note 6)	641	556	532
Other, net	0	(1,494)	(590)
Cash Flow (Used In) From Financing Activities	(84,624)	(163,269)	25,603
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(4,242)	(13,508)	6,189
Increase in cash, cash equivalents and restricted cash	11,939	2,715	22,927
Beginning cash, cash equivalents and restricted cash	140,604	137,889	114,962
Ending cash, cash equivalents and restricted cash	152,543	140,604	137,889
Supplemental cash flow information:
Total cash, cash equivalents and restricted cash	140,604	137,889	137,889
Interest paid in cash	14,490	20,408	15,504
Income tax paid in cash	$ 48,673	$ 40,587	$ 40,376