Accumulated Other Comprehensive Income - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Amount reclassified from accumulated other comprehensive loss	$ 0.2	$ (0.8)

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

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+ Details