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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Oct. 31, 2023 | Oct. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES |  |
Net income | $ 20,340 | $ 19,465
Adjustments to reconcile net income to net cash provided by (used in) operating activities |  |
Stock compensation expense | 3,416 | 3,055
Changes in accrued interest on investments | (1,876) | (790)
Depreciation | 1,524 | 2,296
Lease expense | 1,335 | 1,871
Deferred income tax expense (benefit) | 497 | (209)
Amortization of intangible assets | 294 | 611
Equity in loss (income) of solar energy investments | 130 | (1,112)
Other | 157 | 20
Changes in operating assets and liabilities |  |
Accounts receivable | 168 | (10,921)
Contract assets | (613) | (6,647)
Other assets | (2,977) | 6,184
Accounts payable and accrued expenses | 9,960 | (7,952)
Contract liabilities | 59,908 | (78,859)
Net cash provided by (used in) operating activities | 92,263 | (72,988)
CASH FLOWS FROM INVESTING ACTIVITIES |  |
Purchases of short-term investments | (115,000) | (249,750)
Maturities of short-term investments | 159,750 | 190,000
Purchases of available-for-sale securities | (104,492) |
Purchases of property, plant and equipment | (2,143) | (2,582)
Net cash used in investing activities | (61,885) | (62,332)
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Common stock repurchases | (8,467) | (63,252)
Payments of cash dividends | (10,686) | (10,588)
Proceeds from share-based award settlements | 1,107 | 66
Net cash used in financing activities | (18,046) | (73,774)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH | (710) | (5,313)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS | 11,622 | (214,407)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD | 173,947 | 350,472
CASH AND CASH EQUIVALENTS, END OF PERIOD | 185,569 | 136,065
NON-CASH INVESTING AND FINANCING ACTIVITIES |  |
Right-of-use assets obtained in exchange for lease obligations | 706 | 935
SUPPLEMENTAL CASH FLOW INFORMATION |  |
Cash paid for income taxes | 7,022 | 6,310
Cash paid for operating leases | $ 1,340 | $ 1,869

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