Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Stock Repurchase Program - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended			154 Months Ended
	Mar. 11, 2021	Jan. 31, 2021	Jan. 26, 2020	Jan. 27, 2019	Jan. 31, 2021
Subsequent Event [Line Items]
Repurchased shares of common stock, cost		$ 71,433	$ 70,219	$ 116,210	$ 409,200
Remaining authorization under stock repurchase program		$ 39,200			$ 39,200
Subsequent Event
Subsequent Event [Line Items]
Remaining authorization under stock repurchase program	$ 389,200
Stock repurchase program, increase in authorized amount	$ 350,000