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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 25, 2022 | Jun. 26, 2021
Cash flows from operating activities: |  |
Net income | $ 60,114 | $ 37,530
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 14,146 | 12,678
Amortization | 4,702 | 13,900
Reduction in the carrying amount of right-of-use assets | 4,414 | 3,652
Stock-based compensation expense | 13,878 | 13,665
Provision for excess and obsolete inventories | 4,726 | 6,898
Non-cash restructuring charges | 710 | 0
Gain on contingent consideration | 0 | (95)
Other adjustments to reconcile net income to net cash provided by operating activities | (567) | 1,211
Changes in assets and liabilities: |  |
Accounts receivable | 5,530 | (1,194)
Inventories | (32,268) | (20,388)
Prepaid expenses and other current assets | 1,295 | 3,179
Other assets | (40) | (344)
Accounts payable | 7,521 | (2,028)
Accrued liabilities | 4,102 | (235)
Other liabilities | 73 | 184
Deferred revenues | 2,727 | 1,522
Operating lease liabilities | (4,262) | (3,980)
Net cash provided by operating activities | 86,801 | 66,155
Cash flows from investing activities: |  |
Acquisition of property, plant and equipment | (30,116) | (31,322)
Acquisition of business | (3,121) | 0
Purchases of marketable securities | (52,344) | (71,186)
Purchase of promissory note receivable | 1,000 | 0
Proceeds from maturities and sales of marketable securities | 45,470 | 42,695
Net cash used in investing activities | (41,111) | (59,813)
Cash flows from financing activities: |  |
Proceeds from issuances of common stock | 5,687 | 5,909
Purchase of common stock through stock repurchase program | (54,328) | (23,951)
Tax withholdings related to net share settlements of equity awards | (4,243) | (5,261)
Payment of contingent consideration | 0 | (3,873)
Principal repayments on term loans | (4,379) | (4,740)
Net cash used in financing activities | (57,263) | (31,916)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | (3,470) | (1,558)
Net decrease in cash, cash equivalents and restricted cash | (15,043) | (27,132)
Cash, cash equivalents and restricted cash, beginning of period | 155,342 | 191,098
Cash, cash equivalents and restricted cash, end of period | 140,299 | 163,966
Non-cash investing and financing activities: |  |
Increase (decrease) in accounts payable and accrued liabilities related to property, plant and equipment purchases | (4,165) | 2,906
Operating lease, right-of-use assets obtained in exchange for lease obligations | 3,438 | 11,629
Supplemental disclosure of cash flow information: |  |
Cash paid for income taxes, net | 6,473 | 4,559
Cash paid for interest | 294 | 339
Operating cash outflows from operating leases | 4,379 | 4,352
Reconciliation of cash, cash equivalents and restricted cash: |  |
Cash and cash equivalents | 136,395 | 160,273
Restricted cash, current | 2,102 | 1,857
Restricted cash, non-current | 1,802 | 1,836
Total cash, cash equivalents and restricted cash | $ 140,299 | $ 163,966

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