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Share-Based Compensation - Schedule of Share Based Awards Issued and Weighted Average Fair Value (Detail)	6 Months Ended
	Jul. 31, 2023 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards Granted	1,106,774
Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards Granted	160,887
Weighted Average Fair Value | $ / shares	$ 26.96
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards Granted	945,887
Weighted Average Fair Value | $ / shares	$ 27.23

X

- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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