Note 20 - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Fair Value, Inputs, Level 2 [Member] | Portion at Fair Value Measurement [Member] | Fair Value, Measurements, Recurring [Member]
Mortgage loans held for sale (1)	$ 130,017	$ 129,818
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Derivative Fair Value	23	(7)
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Forward Contracts [Member]
Derivative Fair Value	(41)	509
Total	$ 129,999	$ 130,320