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Summary of Business and Significant Accounting Policies (Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2025 | Jan. 31, 2024
Accumulated Other Comprehensive Loss [Roll Forward] |  |
Balance as of beginning of year | $ (1,310) | $ (2,360)
Other comprehensive income before reclassifications | 1,874 | 679
Amounts reclassified from accumulated comprehensive (income) loss | (142) | 371
Net current period other comprehensive income | 1,732 | 1,050
Balance as of end of year | $ 422 | $ (1,310)

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