Inventory (Details 1) $ in Thousands	Jul. 31, 2018 USD ($) communities	Oct. 31, 2017 USD ($) communities
Land Owned for Future Communities [Member]
Temporarily Closed communities
Number of Communities (in ones) | communities	16	14
Carrying Value | $	$ 125,766	$ 110,732
Operating communities [Member]
Temporarily Closed communities
Number of Communities (in ones) | communities	1	6
Carrying Value | $	$ 2,733	$ 26,749