Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions |
Apr. 30, 2018 |
Oct. 31, 2017 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Trade accounts receivable, allowance | $ 16.4 | $ 25.5 |
| Property, plant and equipment, accumulated depreciation | 156.2 | 136.4 |
| Other intangible assets, accumulated amortization | $ 222.4 | $ 189.1 |
| Preferred stock, par value (in usd per share) | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized (in shares) | 500,000 | 500,000 |
| Preferred stock, shares issued (in shares) | 0 | 0 |
| Common stock, par value (in usd per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000 |
| Common stock, shares issued (in shares) | 65,729,949 | 65,502,568 |
| Common stock, shares outstanding (in shares) | 65,729,949 | 65,502,568 |