Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Jan. 31, 2019
Property, Plant and Equipment [Line Items]
Goodwill, Impairment Loss	$ 0	$ 0
Foreign Currency Translation [Abstract]
Net foreign exchange loss	3,400,000	1,400,000	$ 1,600,000
Property, Plant and Equipment [Abstract]
Interest capitalized included in construction in progress	$ 3,900,000	$ 5,200,000
Treasury Stock [Abstract]
Number of shares in treasury (in shares)	3,600,000	3,600,000
Number of shares purchased	0	257,500
Factoring fees associated with sale of factored receivables	$ 1,000,000
Minimum [Member] | Building [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)	30 years
Minimum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)	3 years
Maximum [Member] | Building [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)	40 years
Maximum [Member] | Machinery and equipment [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)	15 years
Scenario, Forecast [Member] | Accounting Standards Update 2016-16 [Member]
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Decrease in prepaid taxes				$ 23,000,000
Scenario, Forecast [Member] | Accounting Standards Update 2016-16 [Member] | Retained Earnings [Member]
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Cumulative effect, decrease to retained earnings				$ 23,000,000