Other Comprehensive Loss - Additional Information (Details) - USD ($)	3 Months Ended
Apr. 30, 2021	May 01, 2020
Equity [Abstract]
Amounts reclassified from accumulated other comprehensive loss	$ 0	$ 0

Amount after tax of reclassification adjustments of other comprehensive income (loss).

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration