Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Receivables, prepaid expenses and other assets
Expected recoveries from insurance carriers and suppliers	$ 165,696	$ 8,314
Improvement cost receivable	85,627	78,565
Escrow cash held by our captive title company	138,633	24,609
Property held for rental development	81,693	78,888
Investment in foreclosed real estate owned	11,552	50,233
Prepaid expenses	25,659	28,044
Other	73,898	67,207
Receivables, prepaid expenses, and other assets	582,758	$ 335,860
Home Building Joint Venture Metro New York Four [Member]
Receivables, prepaid expenses and other assets
Escrow cash held by our captive title company	$ 106,100