Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Fair Value Measurement - Fair Value of Long-term Debt (Details)

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Note 5 - Fair Value Measurement - Fair Value of Long-term Debt (Details) - USD ($)
$ in Thousands
Apr. 30, 2020
Oct. 31, 2019
Reported Value Measurement [Member] | Term Loan Agreement [Member]    
Debt, fair value $ 391,650 $ 402,094
Reported Value Measurement [Member] | Capital Lease Obligations [Member]    
Debt, fair value 524 568
Estimate of Fair Value Measurement [Member] | Term Loan Agreement [Member]    
Debt, fair value 347,345 394,052
Estimate of Fair Value Measurement [Member] | Capital Lease Obligations [Member]    
Debt, fair value $ 524 $ 568