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v3.25.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities |  |  |
Net income | $ 200,992 | $ 246,263 | $ 183,079
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 15,809 | 13,069 | 11,607
Deferred income taxes | (15,594) | (20,018) | 8,536
Stock-based compensation expense | 20,951 | 18,269 | 13,444
Provision for doubtful accounts | 2,987 | 1,129 |
Provision for excess and obsolete inventory | 5,966 | 5,211 | 4,565
Accretion of discounts and premiums on marketable securities | (12,435) | (12,077) |
Unrealized currency loss on foreign denominated transactions | 7,811 | 2,252 | 5,986
Mark-to-market adjustment on forward exchange contracts | (267) |  |
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 6,909 | (50,755) | (67,270)
Inventories | 5,917 | (69,957) | (58,433)
Prepaid expenses and other current assets | (11,703) | (16,046) | (6,533)
Accounts payable and other current liabilities | (413) | (8,103) | 31,392
Deferred revenue | (71,097) | 56,183 | 86,366
Income taxes | (9,034) | 3,786 | 3,493
Other assets and liabilities | (5,981) | (12,337) | (625)
Net cash provided by operating activities | 140,818 | 156,869 | 215,607
Cash flows from investing activities |  |  |
Expenditures for property, plant and equipment and capitalized software | (12,181) | (20,656) | (10,683)
Purchase of short-term investments | (539,120) | (388,809) | (246,571)
Maturities of short-term investments | 442,575 | 308,607 |
Net cash used in investing activities | (108,726) | (100,858) | (257,254)
Cash flows from financing activities |  |  |
Net settlement on restricted stock grants | (11,563) | (16,611) | (9,907)
Repurchase of common stock | (60,489) | (52,499) | (57,495)
Proceeds from Employee Stock Purchase Plan purchases | 2,385 | 2,057 | 1,662
Principal payments on finance lease obligation | (1,525) | (1,240) | (987)
Proceeds from exercise of stock options |  | 25 | 1,247
Net cash used in financing activities | (71,192) | (68,268) | (65,480)
Effect of exchange rate changes on cash and cash equivalents | (3,787) | (139) | (2,206)
Net decrease in cash, cash equivalents and restricted cash | (42,887) | (12,396) | (109,333)
Cash, cash equivalents and restricted cash at beginning of period | 173,951 | 186,347 | 295,680
Cash, cash equivalents and restricted cash at end of period | 131,064 | 173,951 | 186,347
Supplemental disclosure of cash flow information |  |  |
Income taxes | 61,133 | 54,217 | 10,763
Interest | $ 4,727 | $ 4,874 | $ 4,992

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