Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net (loss) income	$ (19,068)	$ 43,873
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	44,861	44,683
Loss (gain) on disposition of property, plant and equipment	47	(76)
Stock compensation expense	6,015	5,632
Non-cash goodwill impairment charge	68,194	0
Changes in assets and liabilities:
Accounts receivable	(30,232)	(12,660)
Inventories	(26,671)	89
Prepaid expenses and other current assets	(5,165)	(3,473)
Accounts payable	10,196	13,880
Accrued liabilities	(30,674)	1,721
Deferred income taxes	(1,261)	(5,101)
Long-term retirement benefits	(1,871)	889
Long-term tax liability	(6,949)	(6,949)
Other	1,097	3,213
Net cash provided by operating activities	8,519	85,721
Investing activities:
Proceeds from disposition of property, plant and equipment	92	136
Capital expenditures	(13,523)	(17,567)
Other	(1,645)	2,924
Net cash used by investing activities	(15,076)	(14,507)
Financing activities:
Net change in other borrowings	(1,372)	(2,184)
Payments on long-term debt	(70,369)	(56,502)
Proceeds from the issuance of long-term debt	80,000	25,000
Proceeds from the issuance of common stock	246	210
Common stock repurchases	(6,721)	(5,229)
Dividends paid	(16,192)	(16,194)
Withholding taxes paid on stock issuances	(154)	(191)
Other	(9,825)	(3,477)
Net cash used by financing activities	(24,387)	(58,567)
Effect of exchange rate changes on cash flows	(4,475)	(1,252)
(Decrease) increase in cash, cash equivalents and restricted cash	(35,419)	11,395
Cash, cash equivalents and restricted cash at beginning of period	111,909	91,468
Cash, cash equivalents and restricted cash at end of period	76,490	102,863
Cash and cash equivalents at end of period	72,278	91,134
Prepaid Expenses and Other Current Assets
Financing activities:
Restricted cash	(2,122)	(6,970)
Other Noncurrent Assets
Financing activities:
Restricted cash	$ (2,090)	$ (4,759)