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v3.22.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jul. 03, 2022 | Jul. 04, 2021
Cash flows from operating activities: |  |
Net income | $ 126,234 | $ 147,446
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation expense | 28,053 | 22,739
Depreciation of property, plant, and equipment | 8,114 | 8,510
Loss (gain) on disposal of property, plant, and equipment | 12 | 4
Amortization of intangible assets | 1,662 | 1,853
Excess and obsolete inventory charges | 741 | 1,816
Non-cash impact of write-offs related to fire (Note 17) | 44,903 | 0
Amortization of discounts or premiums on investments | 2,714 | 1,840
Realized loss (gain) on sale of investments | 24 | (68)
Change in deferred income taxes | (10,809) | 973
Accounts receivable | (44,118) | (23,488)
Unbilled revenue | 1,704 | 3,844
Inventories | (20,122) | (9,521)
Prepaid expenses and other current assets | (45,752) | (28,830)
Accounts payable | (23,525) | 16,058
Accrued expenses | (20,024) | 206
Accrued income taxes | (372) | (5,588)
Deferred revenue and customer deposits | 41,535 | 55,220
Other | 2,655 | 1,711
Net cash provided by operating activities | 93,629 | 194,725
Cash flows from investing activities: |  |
Purchases of investments | (77,760) | (511,625)
Maturities and sales of investments | 164,610 | 270,696
Purchases of property, plant, and equipment | (11,253) | (6,550)
Net cash provided by (used in) investing activities | 75,597 | (247,479)
Cash flows from financing activities: |  |
Net proceeds from issuance of common stock under stock plans | 4,414 | 44,407
Repurchase of common stock | (154,317) | (20,877)
Payment of dividends | (22,573) | (21,192)
Net cash provided by (used in) financing activities | (172,476) | 2,338
Effect of foreign exchange rate changes on cash and cash equivalents | (5,865) | (1,620)
Net change in cash and cash equivalents | (9,115) | (52,036)
Cash and cash equivalents at beginning of period | 186,161 | 269,073
Cash and cash equivalents at end of period | $ 177,046 | $ 217,037

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