Summary of Significant Accounting Policies (Narrative) (Details)		1 Months Ended	3 Months Ended							12 Months Ended
	Mar. 10, 2011 USD ($) swap	Jan. 31, 2013 USD ($)	Oct. 31, 2015 USD ($) shares	Jul. 31, 2015 shares	Apr. 30, 2015 shares	Jan. 31, 2015 shares	Apr. 30, 2013 USD ($)	Jan. 31, 2013 USD ($)	Oct. 31, 2012 USD ($)	Oct. 31, 2015 USD ($) shares	Oct. 31, 2014 USD ($) shares	Oct. 31, 2013 USD ($) shares	Oct. 28, 2011 building
Estimates and Critical Accounting Policies [Abstract]
Goodwill impairment										$ 0	$ 0
Foreign Currency Translation [Abstract]
Net foreign exchange gain (loss)										3,500,000	2,900,000	$ 100,000
Gain (Loss) on Disposition of Business										0	0	(21,062,000)
Insurance Recoveries [Abstract]
Number of buildings with insurance claims | building													1
Insurance recoveries		$ 19,100,000						$ 14,100,000		0	0	$ 14,084,000
Proceeds from Insurance Settlement, Operating Activities							$ 11,200,000	$ 2,900,000	$ 5,000,000
Property, Plant and Equipment [Abstract]
Interest capitalized included in construction in progress										$ 6,200,000	$ 5,600,000
Treasury Stock [Abstract]
Number of shares in treasury | shares			3,290,318							3,290,318	2,840,279
Number of shares purchased | shares			368,000	0	0	100,000				467,539	571,939	1,400,000
Interest Rate Swap [Member]
Financial Instruments [Abstract]
Number of floating-to-fixed interest rate swaps | swap	5
Notional amount of interest rate derivatives	$ 200,000,000
Interest rate swaps, lower maturity range	2 months
Interest rate swaps, higher maturity range	14 months
Fixed rate on interest rate swaps, lower range	1.27%
Fixed rate on interest rate swaps, higher range	1.78%
Derivative liability, fair value			$ 0							$ 0
Building [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)										35 years
Building [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)										40 years
Machinery and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)										3 years
Machinery and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life, (years)										15 years