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Note 1 - Basis of Presentation (Details Textual) $ / shares in Units, $ in Thousands		12 Months Ended
	Mar. 29, 2019 $ / shares	Oct. 31, 2019 USD ($) $ / shares	Oct. 31, 2018 USD ($) $ / shares	Oct. 31, 2017 USD ($)
Net Cash Provided by (Used in) Operating Activities, Total		$ (249,127)	$ (66,822)	$ 301,578
Net Cash Provided by (Used in) Investing Activities, Total		$ (8,307)	$ 35,501	(29,707)
Common Class A [Member]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01	$ 0.01
Common Class B [Member]
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01	$ 0.01
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	25
Reverse Stock Split [Member] | Common Class A [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	25
Reverse Stock Split [Member] | Common Class B [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	25
Accounting Standards Update 2016-18 [Member]
Net Cash Provided by (Used in) Operating Activities, Total				4,000
Net Cash Provided by (Used in) Investing Activities, Total				$ 2,600
Consolidated Joint Venture [Member]
Noncontrolling Interest, Ownership Percentage by Parent		99.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		1.00%

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Face amount or stated value per share of common stock.

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