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Consolidated Condensed Statements of Cash Flows Unaudited - USD ($)
$ in Thousands
 9 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Cash flows from operating activities:    
Net income including noncontrolling interests $ 26,769 $ 35,153
Net income from discontinued operations, net of tax   4,263
Net income from continuing operations 26,769 30,890
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation 13,503 13,505
Amortization of operating lease right-of-use assets 4,105 4,128
Income from equity method investments (6,210) (2,763)
Dividends received from equity method investments 3,007 1,504
Interest income from investments (1,098) (36)
Deferred income tax 4,964 5,840
Stock based compensation expense 1,295 1,100
Gain on sale of property and equipment – net (91) (1)
Changes in assets and liabilities:    
Accounts receivable 3,146 (20,313)
Inventories 180 7,673
Refundable income taxes 66 (332)
Other assets 649 1,912
Accounts payable, trade 7,990 10,916
Other liabilities (4,281) 2,776
Net cash provided by operating activities from continuing operations 53,994 56,799
Net cash used in operating activities from discontinued operations   (6,368)
Net cash provided by operating activities 53,994 50,431
Cash flows from investing activities:    
Capital expenditures (7,182) (4,245)
Purchase of short-term investments (307,371) (67,412)
Sale of short-term investments 180,527 82,022
Other   40
Net cash (used in) provided by investing activities (134,026) 10,405
Cash flows from financing activities:    
Treasury stock acquired (13,012) (6,627)
Payments to noncontrolling interests holders (1,730) (1,515)
Net cash used in financing activities from continuing operations (14,742) (8,142)
Net cash provided by financing activities from discontinued operations   280
Net cash used in financing activities (14,742) (7,862)
Net (decrease) increase in cash, cash equivalents and restricted cash (94,774) 52,974
Cash, cash equivalents and restricted cash, beginning of period 232,068 146,158
Cash, cash equivalents and restricted cash, end of period 137,294 199,132
Non cash investing activities – Accrued capital expenditures 93 34
Non cash financing activities – Stock awards accrued 679 972
Non cash financing activities – Stock awards issued 1,539 100
Right-of-use assets acquired and liabilities incurred upon lease execution 7,632 3,267
Cash and cash equivalents 135,986 197,395
Restricted cash 1,308 1,737
Total cash, cash equivalents and restricted cash $ 137,294 $ 199,132