Retirement Plans (Details 1) - Pension Plan [Member] - USD ($)	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015
Change in benefit obligation:
Benefit obligation at beginning of year	$ 21,051,000	$ 21,959,000
Administrative expenses	125,000	135,000
Interest cost	835,000	852,000
Plan amendments	322,000	0
Benefits paid	(1,184,000)	(1,031,000)
Actuarial loss (gain)	1,290,000	(864,000)
Benefit obligation at end of year	22,439,000	21,051,000
Change in plan assets:
Fair value of plan assets at beginning of year	16,692,000	17,005,000
Actual return on plan assets	812,000	343,000
Employer contributions	500,000	375,000
Benefits paid	(1,184,000)	(1,031,000)
Fair value of plan assets at end of year	16,820,000	16,692,000
Reconciliation of funded status:
Fair value of plan assets	16,820,000	16,692,000
Benefit obligations	22,439,000	21,051,000
Net plan obligations	(5,619,000)	(4,359,000)
Amounts recognized in statements of financial position:
Noncurrent assets	0	0
Current liabilities	0	0
Noncurrent liabilities	(5,619,000)	(4,359,000)
Net obligation recognized in statements of financial position	(5,619,000)	(4,359,000)
Reconciliation of amounts recognized in statements of financial position:
Prior service cost	(322,000)	0
Net loss	(8,823,000)	(8,015,000)
Accumulated other comprehensive loss	(9,145,000)	(8,015,000)
Accumulated contributions in excess of net periodic benefit cost	3,526,000	3,656,000
Net deficit recognized in statements of financial position	$ (5,619,000)	$ (4,359,000)