Employees' Defined Contribution Plan - Narrative (Detail) - USD ($) $ in Millions	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Defined Contribution Plan [Abstract]
Percentage of eligible gross cash compensation employees are allowed to invest in the savings plan	60.00%
Company's contributions to the Savings plan	$ 6.0	$ 6.1	$ 5.9

Amount of contribution received by defined benefit plan from employer which increases plan assets.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_DefinedBenefitPlanContributionsByEmployer
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration