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Financial Services (Schedule of Income (Loss)) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Revenues    
Insurance commissions $ 1,262 $ 1,303
Title services 708 649
Marketing services fees 450 450
Interest income 0 1
Total 2,420 2,403
Expenses    
General and administrative (852) (835)
Operating income 17,719 454
Equity in income (loss) of unconsolidated joint ventures 2,584 656
Total pretax income (loss) 10,763 (12,358)
Financial services [Member]
    
Expenses    
Operating income 1,568 1,568
Equity in income (loss) of unconsolidated joint ventures (6) [1] 1,091 [1]
Total pretax income (loss) $ 1,562 $ 2,659
[1] (a)The equity in income of unconsolidated joint ventures in 2013 related to the wind down of KBA Mortgage, LLC (“KBA Mortgage”), our unconsolidated mortgage banking joint venture with a subsidiary of Bank of America, N.A., which ceased offering mortgage banking services in 2011