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Restructuring and Integration Costs (Details) - Sauflon [Member] - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2017 | Oct. 31, 2016
Restructuring Cost and Reserve [Line Items] |  |
Cumulative amounts incurred as of October 31, 2016 | $ 0 | $ 148,300,000
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 3,100,000 | 8,900,000
Additions (reductions) during the period |  | 56,600,000
Payments during the period | (1,500,000) | (5,400,000)
Non-cash adjustments | (1,000,000) | (57,000,000)
Balance, ending | 600,000 | 3,100,000
Employee-related |  |
Restructuring Cost and Reserve [Line Items] |  |
Cumulative amounts incurred as of October 31, 2016 |  | 17,800,000
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 2,800,000 | 8,600,000
Additions (reductions) during the period |  | 0
Payments during the period | (1,500,000) | (5,200,000)
Non-cash adjustments | (700,000) | (600,000)
Balance, ending | 600,000 | 2,800,000
Facilities-related |  |
Restructuring Cost and Reserve [Line Items] |  |
Cumulative amounts incurred as of October 31, 2016 |  | 1,100,000
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 300,000 | 300,000
Additions (reductions) during the period |  | 200,000
Payments during the period | 0 | (200,000)
Non-cash adjustments | (300,000) | 0
Balance, ending | 0 | 300,000
Product Rationalization |  |
Restructuring Cost and Reserve [Line Items] |  |
Cumulative amounts incurred as of October 31, 2016 |  | 129,400,000
Restructuring Reserve [Roll Forward] |  |
Balance, beginning | 0 | 0
Additions (reductions) during the period |  | 56,400,000
Payments during the period | 0 | 0
Non-cash adjustments | 0 | (56,400,000)
Balance, ending | $ 0 | $ 0

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