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Retirement Plans - Net Benefit Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Retirement Benefits [Abstract]
Administrative expenses	$ 0	$ 179	$ 20	$ 359
Interest cost	0	130	34	260
Expected return on plan assets	0	(128)	(17)	(255)
Prior service cost	0	11	4	22
Recognized actuarial loss	0	100	0	199
Settlement loss recognized	0	0	2,700	0
Net periodic benefit cost	$ 0	$ 292	$ 2,741	$ 585

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