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Financial Services (Schedule of Income (Loss)) (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Revenues    
Revenue from Contract with Customer, Excluding Assessed Tax $ 811,483 $ 871,623
Expenses    
Equity in income of unconsolidated joint ventures 396 (426)
Pretax income 34,511 46,045
Financial Service [Member]    
Revenues    
Insurance commissions 1,472 1,352
Title services 1,217 1,066
Interest income 6 0
Revenue from Contract with Customer, Excluding Assessed Tax 2,695 2,418
Selling, General and Administrative Expense 1,024 953
Expenses    
Operating income 1,671 1,465
Equity in income of unconsolidated joint ventures 802 419
Pretax income $ 2,473 $ 1,884