Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended	6 Months Ended
Jul. 31, 2026	Apr. 30, 2026	Jul. 31, 2025	Apr. 30, 2025	Jul. 31, 2026	Jul. 31, 2025
Statement of Stockholders' Equity [Abstract]
Dividends declared (in dollars per share)	$ 0	$ 0.99	$ 0	$ 0.94	$ 0.99	$ 0.94

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480070/505-10-S50-1

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration