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Acquisitions and Divestitures - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 USD ($) business deconsolidation | Jan. 31, 2017 deconsolidation | Apr. 30, 2016 USD ($) | Apr. 30, 2017 USD ($) Divestiture subsidiary business | Apr. 30, 2016 USD ($) Divestiture business
Business Acquisition [Line Items] |  |  |  |  |
Number of divestitures (business) | Divestiture |  |  |  | 0 | 3
Number of acquisitions (business) | business |  |  |  | 0 | 0
Deconsolidation, number of businesses, nonstrategic | deconsolidation |  | 2 |  |  |
Number of subsidiaries liquidated | subsidiary |  |  |  | 1 |
Gain on disposal of businesses, net | $ | $ (1.9) |  | $ (2.8) | $ (1.4) | $ (2.8)
Proceeds from divestitures | $ |  |  |  | $ 0.8 | $ 23.6
Minimum |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Notes receivable term |  |  |  | 5 months |
Maximum |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Notes receivable term |  |  |  | 20 months |
Notes Receivable |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Consideration for divestiture | $ | $ 3.8 |  |  | $ 3.8 |
Flexible Products & Services |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Deconsolidation, number of businesses, nonstrategic | deconsolidation |  | 1 |  |  |
Paper Packaging & Services |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Deconsolidation, number of businesses, nonstrategic | deconsolidation | 1 |  |  |  |
Number of subsidiaries liquidated | business | 1 |  |  |  |

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