Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Cash flows from operating activities:
Net income including noncontrolling interests	$ 12,273	$ 6,700
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	4,414	4,420
Amortization of operating lease right-of-use assets	1,478	1,334
Income from equity method investments	(1,718)	(1,490)
Interest income from investments	(1,816)	(2,052)
Deferred income tax	2,479	1,342
Stock based compensation expense	716	612
Gain on sale of property and equipment – net	0	(10)
Changes in assets and liabilities:
Accounts receivable	1,650	(4,055)
Inventories	(116)	7,445
Refundable income taxes	1,142	(2,021)
Other assets	(3,797)	(6,167)
Accounts payable, trade	(12,733)	(16,066)
Other liabilities	(6,235)	(3,998)
Net cash used in operating activities	(2,263)	(14,006)
Cash flows from investing activities:
Capital expenditures	(24,832)	(4,199)
Purchase of short-term investments	(84,978)	(102,348)
Maturity of short-term investments	121,490	127,588
Proceeds from sale of real estate and property and equipment	0	10
Deposits	215	(9)
Net cash provided by investing activities	11,895	21,042
Cash flows from financing activities:
Payments to noncontrolling interests holders	(1,829)	(716)
Net cash used in financing activities	(1,829)	(716)
Net increase in cash and cash equivalents	7,803	6,320
Cash and cash equivalents, beginning of period	223,397	71,347
Cash and cash equivalents, end of period	231,200	77,667
Non cash investing activities – Accrued capital expenditures	3,938	274
Non cash financing activities – Stock awards accrued	358	189
Prepaid lease payment, prior to lease commencement	15,600	0
Right-of-use assets acquired and liabilities incurred upon lease execution	$ 0	$ 97