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 loss	$ (20,834)	$ (25,526)	$ (80,696)
Adjustments to reconcile net loss to net cash provided by (used in) operations:
Impairments and other non-cash charges	37,322	0	25,072
Depreciation and amortization	38,610	42,225	45,314
Stock-based compensation expense	6,861	7,926	6,578
Provision for deferred income taxes	(3,384)	(1,209)	(18,850)
Credit loss expense	1,039	664	1,427
Gain on divestitures	(3,596)	0	0
Gain on sale of assets	(2,809)	(7,182)	(6,531)
Gain on insurance recovery	0	(849)	0
(Gain) loss on extinguishment of debt	0	1,000	(419)
Amortization of original issue discount and debt issuance costs	871	3,707	5,152
Change in assets and liabilities:
(Increase) decrease in receivables	(42,452)	(61,283)	70,994
(Increase) decrease in inventories	(46,909)	(10,336)	39,889
Increase in other assets	(855)	(726)	(686)
Increase (decrease) in accounts payable	10,781	36,341	(29,457)
Increase (decrease) in accrued liabilities and other	334	12,235	(1,996)
Net cash provided by (used in) operating activities	(25,021)	(3,013)	55,791
Cash flows from investing activities:
Capital expenditures	(28,273)	(21,793)	(15,794)
Proceeds from divestitures	71,286	0	0
Business acquisitions, net of cash acquired	0	(13,434)	0
Proceeds from sale of property, plant and equipment	3,217	15,999	12,399
Proceeds from insurance property claim	0	1,753	0
Net cash provided by (used in) investing activities	46,230	(17,475)	(3,395)
Cash flows from financing activities:
Borrowings on lines of credit	287,276	286,154	173,794
Payments on lines of credit	(290,886)	(208,575)	(221,781)
Purchases of Convertible Notes	0	(28,137)	(29,124)
Payment on Convertible Notes	0	(38,567)	0
Proceeds from term loan	3,754	8,258	0
Proceeds from financing obligation	0	8,004	0
Debt issuance costs	(1,499)	(295)	0
Purchases of treasury stock	(20,248)	(1,448)	(333)
Other financing activities	(3,327)	(3,986)	(497)
Net cash provided by (used in) financing activities	(24,930)	21,408	(77,941)
Effect of exchange rate changes on cash	(707)	(1,779)	(970)
Net decrease in cash, cash equivalents, and restricted cash	(4,428)	(859)	(26,515)
Cash, cash equivalents, and restricted cash at beginning of year	29,489	30,348	56,863
Cash, cash equivalents, and restricted cash at end of year	$ 25,061	$ 29,489	$ 30,348