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Notes Payable - Narrative (Details) - USD ($)
12 Months Ended
Jun. 09, 2021
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2019
Sep. 15, 2021
Aug. 12, 2021
Aug. 11, 2021
Nov. 04, 2019
Feb. 20, 2019
Feb. 17, 2015
Jul. 31, 2012
Debt Instrument [Line Items]                      
Debt issuance cost, premiums and discounts   $ 10,300,000 $ 7,500,000                
Letters of credit outstanding   43,200,000 42,100,000                
Primarily inventories carrying value   20,800,000                  
Payment to purchase notes $ 274,900,000                    
Loss on early extinguishment of debt 5,100,000 5,075,000 0 $ 6,800,000              
Long-term Debt, Maturities, Repayments of Principal in Year Three   600,000                  
Long-term Debt, Fiscal Year Maturity [Abstract]                      
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due 2022   353,600,000                  
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due 2023   351,100,000                  
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due 2024   600,000                  
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due 2025   0                  
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due 2026   0                  
Principal payments on senior notes, mortgages and land contracts due to land sellers and other loans due thereafter   $ 990,000,000                  
Senior Notes                      
Debt Instrument [Line Items]                      
Percentage of principal amount for purchase of notes if change in control   101.00%                  
Senior Notes | 4.80% Senior notes due November 15, 2029                      
Debt Instrument [Line Items]                      
Principal [1]               $ 300,000,000      
Senior notes, rate   4.80%                  
Conversion price premium               100.00%      
Senior Notes | 6.875% Senior notes due June 15, 2027                      
Debt Instrument [Line Items]                      
Principal [1]                 $ 300,000,000    
Senior notes, rate   6.875%                  
Conversion price premium                 100.00%    
Senior Notes | 7.625% Senior notes due May 15, 2023                      
Debt Instrument [Line Items]                      
Principal [1]                   $ 350,000,000  
Senior notes, rate   7.625%                  
Conversion price premium                 100.00%    
Senior Notes | 7.50% Senior notes due September 15, 2022                      
Debt Instrument [Line Items]                      
Principal [2]                     $ 350,000,000
Senior notes, rate   7.50%                  
Conversion price premium                     100.00%
Senior Notes | 4.00% Senior notes due June 15, 2031                      
Debt Instrument [Line Items]                      
Principal [1] $ 390,000,000                    
Senior notes, rate 4.00% 4.00%                  
Conversion price premium 100.00%                    
Proceeds from issuance of debt $ 385,200,000                    
Senior Notes | 7.00% Senior notes due December 15, 2021                      
Debt Instrument [Line Items]                      
Principal   $ 450,000,000                  
Senior notes, rate   7.00%                  
Debt instrument, repurchased face amount $ 269,800,000       $ 180,200,000            
Senior Notes | Senior Notes Due September 2021 at 7.00%                      
Debt Instrument [Line Items]                      
Senior notes, rate         7.00%            
Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, current borrowing capacity   $ 800,000,000                  
Line of credit facility, maximum borrowing capacity   1,000,000,000                  
Line of credit facility, amount outstanding   0                  
Line of credit facility, remaining borrowing capacity   791,400,000                  
Letter of Credit                      
Debt Instrument [Line Items]                      
Line of credit facility, current borrowing capacity   250,000,000                  
Line of credit facility, amount outstanding   8,600,000                  
Line of credit facility, remaining borrowing capacity   241,400,000                  
LOC Facilities                      
Debt Instrument [Line Items]                      
Line of credit facility, current borrowing capacity           $ 75,000,000 $ 50,000,000        
Letters of credit outstanding   $ 34,600,000 $ 29,700,000                
Minimum | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, unused capacity, commitment fee percentage   0.20%                  
Maximum | Revolving Credit Facility                      
Debt Instrument [Line Items]                      
Line of credit facility, unused capacity, commitment fee percentage   0.35%                  
[1] At our option, these notes may be redeemed, in whole at any time or from time to time in part, at a redemption price equal to the greater of (i) 100% of the principal amount of the notes being redeemed and (ii) the sum of the present values of the remaining scheduled payments of principal and interest on the notes being redeemed (exclusive of interest accrued to the applicable redemption date), discounted to the redemption date at a defined rate, plus, in each case, accrued and unpaid interest on the notes being redeemed to, but excluding, the applicable redemption date, except that six months prior to the stated maturity date for these notes and until their maturity, the redemption price will be equal to 100% of the principal amount of the notes being redeemed, plus, in each case, accrued and unpaid interest on the notes being redeemed to, but excluding, the applicable redemption date.
[2] At our option, these notes may be redeemed, in whole at any time or from time to time in part, at a redemption price equal to the greater of (i) 100% of the principal amount of the notes being redeemed and (ii) the sum of the present values of the remaining scheduled payments of principal and interest on the notes being redeemed (exclusive of interest accrued to the applicable redemption date), discounted to the redemption date at a defined rate, plus, in each case, accrued and unpaid interest on the notes being redeemed to the applicable redemption date.