Long-Term debt obligations- Obligations (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Debt Instrument [Line Items]
Revolving credit facility (weighted average interest rates of 1.4% at October 31, 2020 and 3.3% at October 31, 2019)	$ 25,000
Less current maturities of long-term debt	0	$ 0
Total long-term debt	25,000	55,000
Revolving Credit Facility [Member
Debt Instrument [Line Items]
Revolving credit facility (weighted average interest rates of 1.4% at October 31, 2020 and 3.3% at October 31, 2019)	25,000	55,000
Total long-term debt	$ 25,000	$ 55,000
Debt, weighted average interest rate	1.40%	3.30%