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Note 1 - Basis of Presentation (Details Textual) $ / shares in Units, $ in Thousands		9 Months Ended
	Mar. 29, 2019 $ / shares	Jul. 31, 2019 USD ($) $ / shares	Jul. 31, 2018 USD ($)	Oct. 31, 2018 $ / shares
Net Cash Provided by (Used in) Operating Activities, Total		$ (258,058)	$ (96,583)
Net Cash Provided by (Used in) Investing Activities, Total		$ (9,508)	38,290
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] \| New Accounting Pronouncement, Early Adoption, Effect [Member]
Net Cash Provided by (Used in) Operating Activities, Total			1,000
Net Cash Provided by (Used in) Investing Activities, Total			$ 23,400
Consolidated Joint Venture [Member]
Noncontrolling Interest, Ownership Percentage by Parent		99.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners		1.00%