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Retirement Plans - Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Retirement Benefits [Abstract]
Administrative expenses	$ 180	$ 69
Interest cost	130	137
Expected return on plan assets	(127)	(236)
Prior service cost	11	11
Recognized actuarial loss	99	185
Net periodic benefit cost	$ 293	$ 166

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