Fair Value Measurement - Outstanding Debt (Details) - Senior Notes - Level 2 - USD ($) $ in Millions	Apr. 30, 2022	Jan. 29, 2022	May 01, 2021
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt:	$ 147.1	$ 147.1	$ 146.8
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt:	$ 147.2	$ 150.0	$ 150.8

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 55
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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Name:	us-gaap_DebtInstrumentFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant