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Share-Based Compensation - Additional Information (Detail) - USD ($) shares in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 9,000,000.0	$ 11,600,000	$ 21,570,000	$ 15,654,000
Share-based compensation, net of tax	$ 6,800,000	$ 7,000,000.0	16,400,000	9,500,000
Net proceeds from stock options exercised			13,065,000
Tax benefit realized from share-based payments			$ 4,100,000
Stock options exercised				$ 0
Shares available for all equity grants	7.6		7.6
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense	$ 8,600,000		$ 8,600,000
Unrecognized compensation expense, weighted average period			2 years 2 months 12 days
Time Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Unrecognized compensation expense, weighted average period			2 years 2 months 12 days
Unrecognized compensation expense, restricted stock grants	36,000,000.0		$ 36,000,000.0
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			3 years
Unrecognized compensation expense, restricted stock grants	$ 10,900,000		$ 10,900,000
Performance-Based Restricted Stock Units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period			1 year
Performance-Based Restricted Stock Units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period			3 years

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