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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 29, 2024 | Jul. 01, 2023
Cash flows from operating activities |  |
Net income (loss) | $ 14,947 | $ 20,966
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation expense | 64,961 | 59,549
Depreciation and amortization | 35,154 | 35,054
Provision for inventory obsolescence | 2,005 | 14,964
Restructuring and abandonment charges | 266 | 5,125
Deferred income taxes | 819 | 1,569
Other | 2,973 | 4,270
Foreign currency transaction gains | (2,750) | (12,698)
Changes in operating assets and liabilities: |  |
Accounts receivable | (64,218) | (13,934)
Inventories | 189,613 | 141,054
Other assets | (15,285) | 9,375
Accounts payable and accrued expenses | (16,942) | (204,012)
Accrued compensation | 10,251 | 20,640
Deferred revenue | 1,685 | (4,093)
Other liabilities | 4,161 | 382
Net cash provided by operating activities | 227,640 | 78,211
Cash flows from investing activities |  |
Purchases of marketable securities | (68,676) | 0
Purchases of property and equipment | (39,477) | (40,085)
Maturities of marketable securities | 20,000 | 0
Net cash used in investing activities | (88,153) | (40,085)
Cash flows from financing activities |  |
Payments for repurchase of common stock | (128,739) | (45,063)
Payments for repurchase of common stock related to shares withheld for tax in connection with vesting of stock awards | (20,757) | (23,914)
Proceeds from exercise of common stock options | 16,312 | 20,042
Net cash used in financing activities | (133,184) | (48,935)
Effect of exchange rate changes on cash and cash equivalents | 580 | 4,240
Net increase (decrease) in cash and cash equivalents | 6,883 | (6,569)
Cash and cash equivalents |  |
Beginning of period | 220,231 | 274,855
End of period | 227,114 | 268,286
Supplemental disclosure |  |
Cash paid for interest | 195 | 780
Cash paid for taxes, net of refunds | 17,134 | 5,217
Cash paid for amounts included in the measurement of lease liabilities | 9,637 | 10,599
Supplemental disclosure of non-cash investing and financing activities |  |
Purchases of property and equipment in accounts payable and accrued expenses | 9,910 | 7,129
Right-of-use assets obtained in exchange for new operating lease liabilities | 11,277 | 31,547
Change in estimate of asset retirement obligations | $ 0 | $ 2,185

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