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Accumulated Other Comprehensive Income - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Amount reclassified from accumulated other comprehensive income/(loss)	$ (0.8)	$ 0.2

X

- References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
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