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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 25, 2021 | Dec. 26, 2020
Cash flows from operating activities: |  |  |
Net income | $ 50,738 | $ 83,924 | $ 78,523
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 28,646 | 25,772 | 20,694
Amortization | 9,391 | 18,747 | 27,991
Amortization (accretion) of discount on investments | 182 | 403 | (2)
Reduction in the carrying amount of right-of-use assets | 8,153 | 7,172 | 5,955
Stock-based compensation expense | 31,337 | 29,384 | 23,830
Deferred income tax provision (benefit) | (6,343) | 3,869 | (562)
Provision for excess and obsolete inventories | 24,632 | 15,544 | 13,117
Acquired inventory step-up amortization | 476 | 723 | 838
Loss on disposal of long-lived assets | 296 | 449 | 451
Non-cash restructuring charges | 200 | 1,646 | 0
Gain on contingent consideration | 0 | (95) | (2,879)
Foreign currency transaction losses (gains) | 2,251 | 1,582 | (936)
Loss on derivative instruments | 0 | 0 | 372
Changes in assets and liabilities: |  |  |
Accounts receivable | 26,028 | (9,086) | (3,545)
Inventories | (28,780) | (31,655) | (22,191)
Prepaid expenses and other current assets | (4,591) | 3,808 | (6,207)
Other assets | 66 | (326) | 179
Accounts payable | 3,899 | (6,589) | 16,788
Accrued liabilities | (8,002) | (725) | 13,892
Other liabilities | (63) | 285 | 362
Deferred revenues | 1,286 | 1,974 | 8,901
Operating lease liabilities | (8,016) | (7,442) | (6,315)
Net cash provided by operating activities | 131,786 | 139,364 | 169,256
Cash flows from investing activities: |  |  |
Acquisition of property, plant and equipment | (65,254) | (66,496) | (55,865)
Acquisition of business, net of cash acquired | (3,350) | 0 | (51,880)
Proceeds from sale of subsidiary | 0 | 0 | 82
Purchase of promissory note receivable | (1,000) | 0 | 0
Purchases of marketable securities | (101,894) | (149,979) | (51,224)
Proceeds from maturities of marketable securities | 95,794 | 91,734 | 59,965
Net cash used in investing activities | (75,704) | (124,741) | (98,922)
Cash flows from financing activities: |  |  |
Proceeds from issuances of common stock | 10,499 | 10,653 | 10,010
Purchase of common stock through stock repurchase program | (82,328) | (24,038) | 0
Tax withholdings related to net share settlements of equity awards | (15,705) | (20,604) | (15,450)
Proceeds from term loan | 0 | 0 | 18,000
Payments on term loan | (8,398) | (9,337) | (43,417)
Payment of term loan issuance costs | 0 | 0 | (78)
Payment of contingent consideration | 0 | 3,873 | 0
Net cash used in financing activities | (95,932) | (47,199) | (30,935)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (2,510) | (3,180) | 3,762
Net increase (decrease) in cash, cash equivalents and restricted cash | (42,360) | (35,756) | 43,161
Cash, cash equivalents and restricted cash, beginning of year | 155,342 | 191,098 | 147,937
Cash, cash equivalents and restricted cash, end of year | 112,982 | 155,342 | 191,098
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Operating lease, right-of-use assets obtained in exchange for lease obligations | 4,975 | 12,254 | 1,912
Increase in accounts payable and accrued liabilities related to property, plant and equipment purchases | 7,469 | 2,711 | 2,545
Supplemental disclosure of cash flow information: |  |  |
Income taxes paid, net | 10,917 | 7,957 | 9,150
Cash paid for interest, net | 535 | 643 | 867
Operating cash outflows from operating leases | 8,913 | 8,520 | 7,546
Reconciliation of cash, cash equivalents and restricted cash: |  |  |
Cash and cash equivalents | 109,130 | 151,010 | 187,225
Restricted cash, current | 1,221 | 2,233 | 1,904
Restricted cash | 2,631 | 2,099 | 1,969
Total cash, cash equivalents and restricted cash | $ 112,982 | $ 155,342 | $ 191,098

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