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Restructuring and Integration Costs (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2016 | Jul. 31, 2015 | Jul. 31, 2016 | Jul. 31, 2015 | Oct. 31, 2015 | Oct. 31, 2014
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related activities, completion date |  |  | Oct. 31, 2016 |  |  |
Sauflon [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, expected cost | $ 125,000 |  | $ 125,000 |  |  |
Additions during the period |  |  | 24,800 |  | $ 55,600 | $ 36,100
Integration costs | 0 | $ 10,700 | 10,000 | $ 24,700 |  |
Sauflon [Member] | Product Rationalization [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, expected cost | 103,000 |  | 103,000 |  |  |
Additions during the period |  |  | 23,500 |  | 57,700 | 15,300
Sauflon [Member] | Product Rationalization [Member] | Cost of sales [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Additions during the period | 8,700 | 12,400 | 23,500 | 26,200 |  |
Sauflon [Member] | Employee Severance [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, expected cost | 20,000 |  | 20,000 |  |  |
Additions during the period |  |  | 1,100 |  | (2,500) | 20,300
Sauflon [Member] | Employee Severance [Member] | Cost of sales [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Additions during the period | 400 | 300 | 900 |  |  |
Sauflon [Member] | Employee Severance [Member] | Selling, general and administrative expense [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Additions during the period |  | (2,300) | 100 | (6,700) |  |
Sauflon [Member] | Employee Severance [Member] | Research and development expense [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Additions during the period |  | $ 200 | 100 | 500 |  |
Sauflon [Member] | Facility Closing [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and related cost, expected cost | $ 2,000 |  | 2,000 |  |  |
Additions during the period |  |  | 200 |  | $ 400 | $ 500
Sauflon [Member] | Facility Closing [Member] | Selling, general and administrative expense [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Additions during the period |  |  | $ 200 | $ 300 |  |

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