Share-Based Compensation Plans and Capital Stock Transactions - Employee Stock Purchase Plan (Narrative) (Details) - Employee Stock $ in Millions	12 Months Ended
Jan. 30, 2021 USD ($) offering_period shares	Feb. 01, 2020 shares	Feb. 02, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of offering periods under the ESPP \| offering_period	2
Percentage of the value of stock employees can purchase at	85.00%
Shares purchased under the ESPP (in shares) \| shares	244,775	354,000	175,000
Cash received from purchases under ESPP \| $	$ 0.4

Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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-Name Accounting Standards Codification
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Period Type:	duration