Note 19 - Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Apr. 30, 2018	Apr. 30, 2017	Apr. 30, 2018	Apr. 30, 2017	Feb. 01, 2018	Jan. 11, 2018	Oct. 31, 2017
Loans Held for Sale Mortgages Unpaid Principal		$ 85.6		$ 85.6				$ 128.4
Other Commitment, Total		21.5		21.5
Impairment of Real Estate		2.1	$ 1.5	2.1	$ 4.2
Fair Value, Inputs, Level 2 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Notes Payable, Fair Value Disclosure		109.6		109.6				383.7
Fair Value, Inputs, Level 3 [Member] | The 2026 Notes [Member]
Notes Payable, Fair Value Disclosure		91.7		91.7
Fair Value, Inputs, Level 3 [Member] | Senior Secured Notes [Member]
Notes Payable, Fair Value Disclosure		$ 1,100.0		$ 1,100.0				1,200.0
Fair Value, Inputs, Level 3 [Member] | Senior Amortizing Notes [Member]
Notes Payable, Fair Value Disclosure								2.1
Fair Value, Inputs, Level 3 [Member] | Senior Exchangeable Notes [Member]
Notes Payable, Fair Value Disclosure								$ 54.2
Thirteen and a Half Percent Senior Notes Due 2026 [Member]
Debt Instrument, Interest Rate, Stated Percentage		13.50%		13.50%		13.50%	13.50%
Thirteen and a Half Percent Senior Notes Due 2026 [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	[1],[2]	13.50%		13.50%
Loan Origination Commitments [Member]
Loan Applications in Process		$ 593.5		$ 593.5
Loan Origination Commitments [Member] | Maximum [Member]
Number of Days in Committment				60 days
Interest Rate Committed Loan Applications [Member]
Interest Rate Committed Loan Applications		$ 50.3		$ 50.3

[1] "Notes payable" on our Condensed Consolidated Balance Sheets as of April 30, 2018 and October 31, 2017 consists of the total senior secured, senior and senior amortizing and senior exchangeable notes shown above, as well as accrued interest of $38.5 million and $41.8 million, respectively.

[2] Unamortized debt issuance costs at April 30, 2018 and October 31, 2017 were $16.6 million and $16.1 million, respectively.