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Significant Accounting Policies (Details) - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2019
Entity Information [Line Items]      
Number of Operating Segments 2    
Additional Significant Accounting Policies (Textual) [Abstract]      
Number of years to complete a community 4 years    
Number of years to complete a master planned community 10 years    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 266.3 $ 266.7  
Depreciation 74.8 67.6 $ 67.6
Advertising Expense $ 39.1 46.3 $ 48.4
Treasury Stock, Shares, Retired 25,000   25,000
warranty period, structural integrity 10 years    
Construction defect claims, reported and resolved, period of time 10 years    
More Likely Than Not Definition Threshold 50.00%    
Home Building [Member]      
Additional Significant Accounting Policies (Textual) [Abstract]      
Contract with Customer, Liability, Revenue Recognized $ 382.1 $ 332.8