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Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 31, 2017 | Oct. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 878,000 | $ 742,900
Accumulated Amortization & Translation | $ 373,300 | 301,800
Weighted Average Amortization Period | 12 years |
Other intangible assets, net | $ 504,700 | 441,100
Trademarks [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 44,500 | 36,600
Accumulated Amortization & Translation | $ 10,300 | 6,800
Weighted Average Amortization Period | 12 years |
Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 428,800 | 354,800
Accumulated Amortization & Translation | $ 173,200 | 139,300
Weighted Average Amortization Period | 11 years |
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 335,500 | 285,700
Accumulated Amortization & Translation | $ 145,300 | 121,900
Weighted Average Amortization Period | 13 years |
License And Distribution Rights And Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 69,200 | 65,800
Accumulated Amortization & Translation | $ 44,500 | $ 33,800
Weighted Average Amortization Period | 9 years |
In Process Research and Development [Member] | Sauflon [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Indefinite-lived Intangible Assets Acquired | $ 7,400 |

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