Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 31, 2017	Apr. 30, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Oct. 31, 2015
Accrued expenses
Land, land development and construction	$ 133,383		$ 153,264
Compensation and employee benefits	142,081		138,282
Escrow liability	46,302		137,396
Self-insurance	141,270		126,431
Warranty	344,365	$ 355,934	370,992	$ 91,967	$ 91,194	$ 93,083
Deferred income	39,798		43,488
Interest	47,307		34,903
Commitments to unconsolidated entities	8,596		5,637
Other	53,019		61,907
Accrued expenses, Total	$ 956,121		$ 1,072,300