Inventory (Details 1) $ in Thousands	Jul. 31, 2017 USD ($) communities	Oct. 31, 2016 USD ($) communities
Land Owned for Future Communities [Member]
Temporarily Closed communities
Number of Communities (in ones) | communities	17	18
Carrying Value | $	$ 136,704	$ 123,936
Operating communities [Member]
Temporarily Closed communities
Number of Communities (in ones) | communities	4	3
Carrying Value | $	$ 11,553	$ 8,523