Goodwill and Other Intangibles Assets - Components of Goodwill Balance by Segment (Details) - USD ($) $ in Millions |
Oct. 31, 2016 |
Oct. 31, 2015 |
Oct. 31, 2014 |
|---|---|---|---|
| Goodwill [Line Items] | |||
| Goodwill, gross | $ 918.8 | ||
| Accumulated impairment charges | (6.0) | ||
| Goodwill | 912.8 | $ 867.5 | $ 854.7 |
| Janitorial | |||
| Goodwill [Line Items] | |||
| Goodwill, gross | 499.0 | ||
| Accumulated impairment charges | 0.0 | ||
| Goodwill | 499.0 | 491.9 | 488.4 |
| Facility Services | |||
| Goodwill [Line Items] | |||
| Goodwill, gross | 72.6 | ||
| Accumulated impairment charges | 0.0 | ||
| Goodwill | 72.6 | 72.6 | 72.6 |
| Parking | |||
| Goodwill [Line Items] | |||
| Goodwill, gross | 69.2 | ||
| Accumulated impairment charges | 0.0 | ||
| Goodwill | 69.2 | 69.2 | 69.2 |
| Building & Energy Solutions | |||
| Goodwill [Line Items] | |||
| Goodwill, gross | 190.0 | ||
| Accumulated impairment charges | (6.0) | ||
| Goodwill | 184.0 | 146.4 | 137.4 |
| Other | |||
| Goodwill [Line Items] | |||
| Goodwill, gross | 87.9 | ||
| Accumulated impairment charges | 0.0 | ||
| Goodwill | $ 87.9 | $ 87.4 | $ 87.1 |