Equity Earnings of Unconsolidated Affiliates, Net of Tax and Net Income (Loss) Attributable to Noncontrolling Interests - Additional Information (Detail) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Oct. 31, 2016
USD ($)
Affiliates
|
Oct. 31, 2015
USD ($)
|
Oct. 31, 2014
USD ($)
|
|
| Equity Method Investments and Joint Ventures [Abstract] | |||
| Percentage of investments in affiliates in which company have non controlling interest | 20.00% | ||
| Number of affiliates in which company has equity interest | Affiliates | 2 | ||
| Equity earnings of affiliates | $ 0.8 | $ 0.8 | $ 1.9 |
| Dividends received from company's equity method affiliates | 0.4 | 0.2 | 0.2 |
| Net (income) loss attributable to noncontrolling interests | $ (0.6) | $ 4.7 | $ 46.6 |