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Loans Payable, Senior Notes and Mortgage Company Loan Facility Term Loan Facility (Details Textual 1)
$ in Thousands
6 Months Ended
Jan. 28, 2021
USD ($)
Apr. 30, 2021
USD ($)
Jan. 27, 2021
USD ($)
Nov. 30, 2020
USD ($)
numberOfInterestRateSwaps
Oct. 31, 2020
USD ($)
Senior unsecured term loan [Member]          
Debt Instrument [Line Items]          
Unsecured Long-term Debt, Noncurrent   $ 650,000 $ 800,000   $ 800,000
Debt Instrument, Term   5 years      
Debt Instrument, Interest Rate at Period End   1.41%      
Repayments of Debt $ 150,000        
Prepayment Charge   $ 0      
Senior unsecured term loan [Member] | Interest Rate Swap          
Debt Instrument [Line Items]          
Unsecured Long-term Debt, Noncurrent       $ 400,000  
Number of Interest Rate Derivatives Held | numberOfInterestRateSwaps       5  
Derivative, Fixed Interest Rate       0.369%  
Fixed interest rate spread       1.30%  
Guarantor Subsidiaries [Member]          
Debt Instrument [Line Items]          
Noncontrolling Interest, Ownership Percentage by Parent   100.00%