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v3.23.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Apr. 02, 2023 | Apr. 03, 2022
Cash flows from operating activities: |  |
Net income | $ 25,615 | $ 67,333
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Stock-based compensation expense | 16,579 | 15,056
Depreciation of property, plant, and equipment | 3,986 | 4,117
Amortization of intangible assets | 942 | 840
Excess and obsolete inventory charges | 788 | 379
Amortization of discounts or premiums on investments | 700 | 1,402
Realized loss (gain) on sale of investments | 0 | 36
Change in deferred income taxes | (10,656) | (3,891)
Accounts receivable | (18,455) | (24,700)
Unbilled revenue | (173) | 2,144
Inventories | (5,338) | (23,900)
Prepaid expenses and other current assets | 231 | 4,212
Accounts payable | (192) | 708
Accrued expenses | (9,942) | (28,718)
Accrued income taxes | 4,721 | 16,745
Deferred revenue and customer deposits | 17,003 | 18,712
Other | 1,744 | (958)
Net cash provided by operating activities | 27,553 | 49,517
Cash flows from investing activities: |  |
Purchases of investments | (46,480) | (39,155)
Maturities and sales of investments | 46,199 | 112,976
Purchases of property, plant, and equipment | (5,507) | (4,585)
Net cash provided by (used in) investing activities | (5,788) | 69,236
Cash flows from financing activities: |  |
Net payments from issuance of common stock under stock plans | (3,055) | 3,594
Repurchase of common stock | (24,178) | (130,405)
Payment of dividends | (12,091) | (11,303)
Net cash provided by (used in) financing activities | (39,324) | (138,114)
Effect of foreign exchange rate changes on cash and cash equivalents | 356 | (1,031)
Net change in cash and cash equivalents | (17,203) | (20,392)
Cash and cash equivalents at beginning of period | 181,374 | 186,161
Cash and cash equivalents at end of period | $ 164,171 | $ 165,769

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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 + Details
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