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v3.22.2.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Oct. 02, 2022 | Oct. 03, 2021
Cash flows from operating activities: |  |
Net income | $ 160,214 | $ 226,346
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation expense | 41,419 | 33,353
Depreciation of property, plant, and equipment | 12,176 | 12,641
Loss on disposal of property, plant, and equipment | 12 | 4
Amortization of intangible assets | 2,468 | 2,773
Excess and obsolete inventory charges | 2,728 | 2,120
Non-cash impact of write-offs related to fire (Note 17) | 45,827 | 0
Amortization of discounts or premiums on investments | 3,976 | 3,316
Realized loss (gain) on sale of investments | 103 | (87)
Change in deferred income taxes | (14,799) | 1,411
Accounts receivable | 31,018 | (4,295)
Unbilled revenue | 1,760 | (1,689)
Inventories | (35,815) | (22,534)
Prepaid expenses and other current assets | (46,817) | (24,607)
Accounts payable | (21,577) | 10,576
Accrued expenses | (23,813) | 4,416
Accrued income taxes | (6,644) | (4,936)
Deferred revenue and customer deposits | 20,882 | 16,751
Other | 4,031 | 3,297
Net cash provided by operating activities | 177,149 | 258,856
Cash flows from investing activities: |  |
Purchases of investments | (77,760) | (607,458)
Maturities and sales of investments | 215,876 | 317,174
Purchases of property, plant, and equipment | (15,605) | (10,689)
Net cash provided by (used in) investing activities | 122,511 | (300,973)
Cash flows from financing activities: |  |
Net payments from issuance of common stock under stock plans | 4,225 | 59,101
Repurchase of common stock | (178,387) | (48,294)
Payment of dividends | (33,837) | (31,800)
Net cash provided by (used in) financing activities | (207,999) | (20,993)
Effect of foreign exchange rate changes on cash and cash equivalents | (11,818) | (2,484)
Net change in cash and cash equivalents | 79,843 | (65,594)
Cash and cash equivalents at beginning of period | 186,161 | 269,073
Cash and cash equivalents at end of period | $ 266,004 | $ 203,479

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