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Summary of Business and Significant Accounting Policies (Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	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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Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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