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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 |  |  |

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