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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income (loss) for the year	$ 1,164	$ (97,412)	$ 89,575
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation	25,984	25,989	21,886
Amortization of intangibles	22,858	21,981	20,471
Net gain on sale of assets and business divestiture	(1,594)	(1,567)	(109)
Loss on debt extinguishment	9,504	396	165
Deferred income taxes	(8,147)	5,016	3,420
Stock-based compensation	7,059	4,509	9,036
Non-cash interest expense	1,082	1,112	1,045
Impairment	29,163	107,114	0
Accounts receivable	(80,879)	71,436	8,327
Inventories	(74,804)	21,099	(2,510)
Prepaid expenses and other	8,570	(2,875)	(3,809)
Accounts payable and accrued liabilities	54,862	(28,266)	(817)
Other, net	(2,292)	(4,398)	(396)
Net cash (used in) provided by operating activities	(7,470)	124,134	146,284
Cash flows from investing activities:
Capital expenditures	(49,105)	(20,131)	(37,645)
Proceeds from sale of assets and business divestiture	22,029	17,115	785
Net cash used in investing activities	(27,076)	(3,016)	(36,860)
Cash flows from financing activities:
Proceeds from exercise of stock options	2,228	1,273	848
Dividends paid	(16,435)	(17,324)	(17,797)
Borrowings under revolving credit facilities	50,823	45,794	619
Payments under revolving credit facilities	(17,788)	(45,794)	(619)
Principal payments under finance lease obligations	(319)	(327)	(308)
Borrowings under new senior notes	400,000	0	0
Principal payments against old senior notes	(315,000)	(10,000)	0
Borrowings under term loan credit facility, net of original issuance discount	0	148,500	0
Principal payments under term loan credit facility	(138,835)	(146,393)	(50,470)
Debt issuance costs paid	(9,296)	(791)	(164)
Stock repurchases	(66,731)	(18,895)	(33,707)
Net cash used in financing activities	(111,353)	(43,957)	(101,598)
Cash, cash equivalents, and restricted cash:
Net (decrease) increase in cash, cash equivalents, and restricted cash	(145,899)	77,161	7,826
Cash, cash equivalents, and restricted cash at beginning of period	217,677	140,516	132,690
Cash, cash equivalents, and restricted cash at end of period	71,778	217,677	140,516
Supplemental disclosures of cash flow information:
Cash paid for interest	22,040	23,411	26,234
Net (refunds received) cash paid for income taxes	$ (467)	$ (4,670)	$ 20,379

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