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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 loss | $ (25,526) | $ (80,696) | $ (12,946)
Adjustments to reconcile net loss to net cash provided by (used in) operations: |  |  |
Impairments and other non-cash charges | 0 | 25,072 | 11,422
Depreciation and amortization | 42,225 | 45,314 | 47,144
Stock-based compensation expense | 7,926 | 6,578 | 11,640
Provision for deferred income taxes | (1,209) | (18,850) | (4,250)
Credit loss expense | 664 | 1,427 | 1,792
Gain on sale of assets | (7,182) | (6,531) | (10,801)
Gain on insurance recovery | (849) | 0 | 0
(Gain) loss on extinguishment of debt | 1,000 | (419) | 0
Amortization of original issue discount and debt issuance costs | 3,707 | 5,152 | 6,188
Change in assets and liabilities: |  |  |
(Increase) decrease in receivables | (61,283) | 70,994 | 40,182
(Increase) decrease in inventories | (10,336) | 39,889 | 699
Increase in other assets | (726) | (686) | (1,032)
Increase (decrease) in accounts payable | 36,341 | (29,457) | (8,318)
Increase (decrease) in accrued liabilities and other | 12,235 | (1,996) | (9,434)
Net cash provided by (used in) operating activities | (3,013) | 55,791 | 72,286
Cash flows from investing activities: |  |  |
Capital expenditures | (21,793) | (15,794) | (44,806)
Business acquisitions, net of cash acquired | (13,434) | 0 | (18,692)
Proceeds from sale of property, plant and equipment | 15,999 | 12,399 | 13,734
Proceeds from insurance property claim | 1,753 | 0 | 0
Net cash used in investing activities | (17,475) | (3,395) | (49,764)
Cash flows from financing activities: |  |  |
Borrowings on lines of credit | 286,154 | 173,794 | 327,983
Payments on lines of credit | (208,575) | (221,781) | (335,613)
Purchases of Convertible Notes | (28,137) | (29,124) | 0
Payment on Convertible Notes | (38,567) | 0 | 0
Proceeds from term loan | 8,258 | 0 | 0
Proceeds from financing obligation | 8,004 | 0 | 0
Debt issuance costs | (295) | 0 | (1,214)
Proceeds from employee stock plans | 0 | 0 | 1,314
Purchases of treasury stock | (1,448) | (333) | (21,737)
Other financing activities | (3,986) | (497) | (259)
Net cash provided by (used in) financing activities | 21,408 | (77,941) | (29,526)
Effect of exchange rate changes on cash | (1,779) | (970) | (399)
Net decrease in cash, cash equivalents, and restricted cash | (859) | (26,515) | (7,403)
Cash, cash equivalents, and restricted cash at beginning of year | 30,348 | 56,863 | 64,266
Cash, cash equivalents, and restricted cash at end of year | $ 29,489 | $ 30,348 | $ 56,863

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