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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% |

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