Inventory (Details 1) $ in Thousands	Oct. 31, 2018 USD ($) communities	Oct. 31, 2017 USD ($) communities	Oct. 31, 2016 USD ($) communities
Operating communities [Member]
Temporarily Closed communities
Number of Communities | communities	1	6	3
Carrying Value | $	$ 2,622	$ 26,749	$ 8,523
Land Owned for Future Communities [Member]
Temporarily Closed communities
Number of Communities | communities	17	14	18
Carrying Value | $	$ 124,426	$ 110,732	$ 123,936