Commitments and Contingencies (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 904,639	$ 893,283
Investor commitments to purchase	352,681	355,868
Mortgage loans receivable [Member]
Company's mortgage commitments
Investor commitments to purchase	90,316	107,873
Interest Rate Lock Commitments [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	262,365	247,995
Investor commitments to purchase	262,365	247,995
Non IRLC [Member]
Company's mortgage commitments
Aggregate mortgage loan commitments	$ 642,274	$ 645,288