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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Jun. 27, 2020 | Jun. 29, 2019
Cash flows from operating activities |  |
Net income (loss) | $ (38,526) | $ 24,834
Adjustments to reconcile net income (loss) to net cash provided by operating activities |  |
Depreciation and amortization | 27,692 | 27,403
Impairment and abandonment charges | 14,047 | 0
Stock-based compensation expense | 41,638 | 33,525
Other | 4,371 | 1,962
Deferred income taxes | (176) | (129)
Foreign currency transaction (gain) loss | (1,491) | 1,430
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 53,418 | (19,114)
Inventories | 129,623 | 69,683
Other assets | (4,400) | (5,434)
Accounts payable and accrued expenses | (162,137) | (33,680)
Accrued compensation | 8,038 | 1,091
Deferred revenue | 3,506 | 5,279
Other liabilities | 7,548 | 4,086
Net cash provided by operating activities | 83,151 | 110,936
Cash flows from investing activities |  |
Purchases of property and equipment and intangible assets | (29,905) | (14,092)
Cash paid for acquisition, net of acquired cash | (36,289) | 0
Net cash used in investing activities | (66,194) | (14,092)
Cash flows from financing activities |  |
Repayments of borrowings | (5,000) | 0
Payments for repurchase of common stock | (39,819) | (832)
Proceeds from exercise of common stock options | 17,708 | 22,034
Payments of offering costs | 0 | (585)
Net cash provided by (used in) financing activities | (27,111) | 20,617
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 639 | (103)
Net increase (decrease) in cash, cash equivalents and restricted cash | (9,515) | 117,358
Cash, cash equivalents and restricted cash |  |
Beginning of period | 338,820 | 221,120
End of period | 329,305 | 338,478
Supplemental disclosure |  |
Cash paid for interest | 1,318 | 1,334
Cash paid for taxes, net of refunds | 1,153 | 2,534
Cash paid for amounts included in the measurement of lease liabilities | 11,689 |
Supplemental disclosure of non-cash investing and financing activities |  |
Purchases of property and equipment in accounts payable and accrued expenses | 3,055 | $ 6,053
Right-of-use assets obtained in exchange for new operating lease liabilities | $ 75,913 |

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