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Inventory (Details 1)
$ in Thousands
Jan. 31, 2017
USD ($)
communities
Oct. 31, 2016
USD ($)
communities
Land Owned for Future Communities [Member]    
Temporarily Closed communities    
Number of Communities (in ones) | communities 13 18
Carrying Value | $ $ 103,607 $ 123,936
Operating communities [Member]    
Temporarily Closed communities    
Number of Communities (in ones) | communities 6 3
Carrying Value | $ $ 39,237 $ 8,523