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Borrowing Arrangements - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Aug. 23, 2020
Nov. 01, 2020
Aug. 02, 2020
Nov. 03, 2019
Aug. 02, 2020
Nov. 01, 2020
Nov. 03, 2019
Debt Instrument [Line Items]              
Maximum borrowing capacity under letter of credit facilities including additional borrowing capacity   $ 70,000,000       $ 70,000,000  
Interest rate description           Interest on unreimbursed amounts under the letter of credit facilities accrues at a base rate as defined in the credit facility, plus an applicable margin based on our leverage ratio  
Outstanding letter of credit facilities   9,075,000       $ 9,075,000  
Latest expiration date possible for future letters of credit           Jan. 19, 2022  
Borrowings under revolving line of credit           $ 487,823,000 $ 100,000,000
Standby Letters of Credit              
Debt Instrument [Line Items]              
Amount issued but undrawn under credit facility   12,486,000       12,486,000  
Revolving Credit Facility [Member] | 364-Day Credit Agreement [Member]              
Debt Instrument [Line Items]              
Current borrowing capacity     $ 200,000,000   $ 200,000,000    
Revolving line, maturity date     May 10, 2021        
Interest rate description     Under the 364-Day Credit Agreement, the interest rate is variable and may be elected by us as: (i) LIBOR plus an applicable margin based on our leverage ratio ranging from 1.75% to 2.5% or (ii) a base rate as defined in the agreement, plus an applicable margin ranging from 0.75% to 1.5%. The 364-Day Credit Agreement matures on May 10, 2021.        
Letter Of Credit Facility Renewed And Extended [Member]              
Debt Instrument [Line Items]              
Letter of credit facilities, maturity date Aug. 22, 2021            
Maximum borrowing capacity of letter of credit after renewal $ 35,000,000            
Base Rate | Maximum | Revolving Credit Facility [Member] | 364-Day Credit Agreement [Member]              
Debt Instrument [Line Items]              
Leverage ratio     1.50%        
Base Rate | Minimum | Revolving Credit Facility [Member] | 364-Day Credit Agreement [Member]              
Debt Instrument [Line Items]              
Leverage ratio     0.75%        
London Interbank Offered Rate (LIBOR) [Member] | Maximum | Revolving Credit Facility [Member] | 364-Day Credit Agreement [Member]              
Debt Instrument [Line Items]              
Leverage ratio     2.50%        
London Interbank Offered Rate (LIBOR) [Member] | Minimum | Revolving Credit Facility [Member] | 364-Day Credit Agreement [Member]              
Debt Instrument [Line Items]              
Leverage ratio     1.75%        
Unsecured Revolving Line Of Credit              
Debt Instrument [Line Items]              
Current borrowing capacity   $ 500,000,000       $ 500,000,000  
Revolving line, maturity date         May 10, 2021    
Weighted average interest rate   2.47%   3.12%   2.47% 3.12%
Interest rate description           Under the Credit Facility Amendment, the interest rate applicable to the credit facility is variable, and may be elected by us as: (i) the LIBOR plus an applicable margin based on our leverage ratio ranging from 0.91% to 1.775% for a revolver borrowing, and 1.75% to 2.5% for the term loan, or (ii) a base rate as defined in the credit facility, plus an applicable margin ranging from 0% to 0.775% for a revolver borrowing, and 0.75% to 1.5% for the term loan.  
Maximum borrowing capacity including additional borrowing capacity   $ 250,000,000       $ 250,000,000  
Borrowings under revolving line of credit   487,823,000,000   $ 100,000,000,000      
Unsecured Revolving Line Of Credit | Maximum              
Debt Instrument [Line Items]              
Additional borrowing capacity   750,000,000       $ 750,000,000  
Unsecured Revolving Line Of Credit | Margin Based On Leverage Ratio | Maximum              
Debt Instrument [Line Items]              
Leverage ratio           1.775%  
Unsecured Revolving Line Of Credit | Margin Based On Leverage Ratio | Minimum              
Debt Instrument [Line Items]              
Leverage ratio           0.91%  
Unsecured Revolving Line Of Credit | Base Rate | Maximum              
Debt Instrument [Line Items]              
Leverage ratio           0.775%  
Unsecured Revolving Line Of Credit | Base Rate | Minimum              
Debt Instrument [Line Items]              
Leverage ratio           0.00%  
Unsecured Term Loan Facility              
Debt Instrument [Line Items]              
Debt instrument face amount   $ 300,000,000       $ 300,000,000  
Weighted average interest rate   2.88%       2.88%  
Long term debt   $ 300,000,000       $ 300,000,000  
Debt instrument, maturity date           Jan. 08, 2023  
Unsecured Term Loan Facility | Margin Based On Leverage Ratio | Maximum              
Debt Instrument [Line Items]              
Leverage ratio           2.50%  
Unsecured Term Loan Facility | Margin Based On Leverage Ratio | Minimum              
Debt Instrument [Line Items]              
Leverage ratio           1.75%  
Unsecured Term Loan Facility | Base Rate | Maximum              
Debt Instrument [Line Items]              
Leverage ratio           1.50%  
Unsecured Term Loan Facility | Base Rate | Minimum              
Debt Instrument [Line Items]              
Leverage ratio           0.75%