Accumulated Other Comprehensive Loss Amounts Recognized Into Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Apr. 30, 2018	Apr. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		$ 188,321
Net current-period other comprehensive income (loss)		1,458
Ending Balance	$ 199,738	199,738
Pension and Post Retirement Plan Liability [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(27,626)	(27,847)
Other comprehensive income (loss)	0	0
Amounts reclassified from accumulated other comprehensive loss, net of tax	253	474
Net current-period other comprehensive income (loss)	253	474
Ending Balance	(27,373)	(27,373)
Marketable Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(109)	(2)
Other comprehensive income (loss)	12	(95)
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0
Net current-period other comprehensive income (loss)	12	(95)
Ending Balance	(97)	(97)
Interest Rate Swap Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(514)	(1,319)
Other comprehensive income (loss)	178	703
Amounts reclassified from accumulated other comprehensive loss, net of tax	215	495
Net current-period other comprehensive income (loss)	393	1,198
Ending Balance	(121)	(121)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(5,286)	(13,069)
Other comprehensive income (loss)	(7,902)	(119)
Amounts reclassified from accumulated other comprehensive loss, net of tax	0	0
Net current-period other comprehensive income (loss)	(7,902)	(119)
Ending Balance	(13,188)	(13,188)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(33,535)	(42,237)
Other comprehensive income (loss)	(7,712)	489
Amounts reclassified from accumulated other comprehensive loss, net of tax	468	969
Net current-period other comprehensive income (loss)	(7,244)
Ending Balance	$ (40,779)	$ (40,779)