CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss) for the year	$ 112,770	$ 1,164	$ (97,412)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	31,758	25,984	25,989
Amortization of intangibles	15,211	22,858	21,981
Net gain on sale of property, plant and equipment and business divestiture	(635)	(1,594)	(1,567)
Loss on debt extinguishment	0	9,504	396
Deferred income taxes	(7,614)	(8,147)	5,016
Stock-based compensation	9,746	7,059	4,509
Non-cash interest expense	868	1,082	1,112
Impairment	1,339	29,163	107,114
Accounts receivable	(79,066)	(80,879)	71,436
Inventories	(6,249)	(74,804)	21,099
Prepaid expenses and other	1,069	8,570	(2,875)
Accounts payable and accrued liabilities	46,085	54,862	(28,266)
Other, net	(1,198)	(2,292)	(4,398)
Net cash provided by (used in) operating activities	124,084	(7,470)	124,134
Cash flows from investing activities:
Cash payments for capital expenditures	(57,086)	(49,105)	(20,131)
Proceeds from sale of assets and business divestiture	1,781	22,029	17,115
Net cash used in investing activities	(55,305)	(27,076)	(3,016)
Cash flows from financing activities:
Proceeds from exercise of stock options	2,224	2,228	1,273
Dividends paid	(16,020)	(16,435)	(17,324)
Borrowings under revolving credit facilities	97,549	50,823	45,794
Payments under revolving credit facilities	(130,584)	(17,788)	(45,794)
Principal payments under finance lease obligations	(59)	(319)	(327)
Borrowings under new senior notes	0	400,000	0
Principal payments against old senior notes	0	(315,000)	(10,000)
Borrowings under term loan credit facility, net of original issuance discount	0	0	148,500
Principal payments under term loan credit facility	0	(138,835)	(146,393)
Debt issuance costs paid	(1,137)	(9,296)	(791)
Stock repurchases	(34,285)	(66,731)	(18,895)
Net cash used in financing activities	(82,312)	(111,353)	(43,957)
Cash, cash equivalents, and restricted cash:
Net (decrease) increase in cash, cash equivalents, and restricted cash	(13,533)	(145,899)	77,161
Cash, cash equivalents, and restricted cash at beginning of period	71,778	217,677	140,516
Cash, cash equivalents, and restricted cash at end of period	58,245	71,778	217,677
Supplemental disclosures of cash flow information:
Cash paid for interest	20,131	22,040	23,411
Net cash paid (refunds received) for income taxes	18,333	(467)	(4,670)
Period end balance of payables for property, plant, and equipment	$ 18,809	$ 3,785	$ 2,840