Retirement Plans (Fair Value of Employee Plan Assets) (Details)	3 Months Ended
	Oct. 31, 2023 USD ($) participant	Jan. 31, 2025 USD ($)	Jan. 31, 2024 USD ($)	Jan. 31, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Investments assets sold	$ 5,300,000
Proceeds from investment assets sold used to purchase annuities, number of participants | participant	49
Proceeds from investment assets sold used to purchase annuities, number of vested terminated participants | participant	89
Combined Employee Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 21,039,000	$ 19,111,000	$ 23,628,000
Combined Employee Retirement Plans [Member] | Managed Investment Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		2,500,000	2,200,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		18,564,000	16,970,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Common Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		12,647,000	11,560,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Principal Money Market [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		175,000	204,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Federated Herme Gove Oblig
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		260,000	327,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Vanguard INTM Term Investment Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		771,000	675,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Vanguard LT Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		1,916,000	1,744,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Ishares Russell 2000 [Domain]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		19,000	16,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Ishares Russell MID-CAP Fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		20,000	17,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Ishares Emerging Markets Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		17,000	15,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Ishares MCSI RAFE Fund [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		42,000	39,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Ishares S&P Index [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		19,000	15,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Vanguard LT Treasury [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		1,904,000	1,695,000
Combined Employee Retirement Plans [Member] | Fair Value, Inputs, Level 1 [Member] | Vanguard INTM Term Treasury [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		$ 774,000	$ 663,000