Note 20 - Financial Instruments Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands		Jul. 31, 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)	[1]	$ 137,510	$ 129,818
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Lock Commitments [Member]
Derivative Fair Value		583	(7)
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Forward Contracts [Member]
Derivative Fair Value		(309)	509
Total		$ 137,784	$ 130,320

[1] The aggregate unpaid principal balance was $123.3 million and $122.7 million at July 31, 2016 and October 31, 2015, respectively.