Note 11 - Senior Notes and Credit Facilities - Senior Secured, Senior and Senior Subordinated Notes (Details) - USD ($) $ in Thousands		Jan. 31, 2018	Oct. 31, 2017
Unsecured Revolving Credit Facility		$ 52,000	$ 52,000
Senior Secured Term Loan [Member]
Senior Notes	[1],[2]	73,275	72,987
Senior Secured Notes [Member]
Senior Notes	[1],[2]	1,090,386	1,090,636
Senior Secured Notes [Member] | The 9.50% 2020 Notes [Member]
Senior Notes	[1],[2]	74,403	74,350
Senior Secured Notes [Member] | The 2.0% 2021 Notes [Member]
Senior Notes	[1],[2]	53,067	53,058
Senior Secured Notes [Member] | The 5.0% 2021 Notes [Member]
Senior Notes	[1],[2]	134,185	133,732
Senior Secured Notes [Member] | The 10.0% 2022 Notes [Member]
Senior Notes	[1],[2]	434,620	434,543
Senior Secured Notes [Member] | The 10.5% 2024 Notes [Member]
Senior Notes	[1],[2]	394,111	394,953
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member]
Senior Notes	[1],[2]	366,575	366,250
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 7.0% 2019 Notes [Member]
Senior Notes	[1],[2]	132,074	131,957
Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] | The 8.0% Senior Notes Due 2019 [Member]
Senior Notes	[1],[2]	234,501	234,293
Senior Amortizing Notes [Member] | The 11.0% 2017 Amortizing Note [Member]
Senior Notes	[1],[2]		2,045
Senior Amortizing Notes [Member] | Senior Exchangeable Notes Due 2017 [Member]
Senior Notes	[1],[2]		$ 53,919

[1] “Notes payable and term loan” on our Condensed Consolidated Balance Sheets as of January 31, 2018 and October 31, 2017 consists of the total senior secured, senior, senior amortizing and senior exchangeable notes and senior secured term loan shown above, as well as accrued interest of $15.1 million and $41.8 million, respectively.

[2] Debt issuance costs at both January 31, 2018 and October 31, 2017 were $16.1 million.