Segment and Geographic Information - Financial Information by Reportable Segment (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Oct. 31, 2016 |
Jul. 31, 2016 |
Apr. 30, 2016 |
Jan. 31, 2016 |
Oct. 31, 2015 |
Jul. 31, 2015 |
Apr. 30, 2015 |
Jan. 31, 2015 |
Oct. 31, 2016 |
Oct. 31, 2015 |
Oct. 31, 2014 |
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| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | $ 1,322.3 | $ 1,296.9 | $ 1,257.1 | $ 1,268.4 | $ 1,277.0 | $ 1,249.9 | $ 1,176.4 | $ 1,194.5 | $ 5,144.7 | [1] | $ 4,897.8 | [1] | $ 4,649.7 | [1] | ||
| Operating profit | 54.7 | 73.6 | 114.8 | |||||||||||||
| Income from unconsolidated affiliates, net | 7.6 | 9.0 | 6.5 | |||||||||||||
| Interest expense | (10.4) | (10.2) | (10.7) | |||||||||||||
| Income from continuing operations before income taxes | 51.9 | 72.4 | 110.6 | |||||||||||||
| Janitorial | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | 2,768.4 | 2,692.7 | 2,583.2 | |||||||||||||
| Operating profit | 151.1 | 150.5 | 147.0 | |||||||||||||
| Facility Services | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | 597.2 | 594.6 | 599.3 | |||||||||||||
| Operating profit | 27.2 | 25.3 | 25.2 | |||||||||||||
| Parking | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | 666.0 | 631.9 | 616.1 | |||||||||||||
| Operating profit | 26.0 | 29.6 | 29.2 | |||||||||||||
| Building & Energy Solutions | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | 643.2 | 557.7 | 483.8 | |||||||||||||
| Operating profit | 11.1 | 26.3 | 23.1 | |||||||||||||
| Other | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Revenues | 469.9 | 420.9 | 367.3 | |||||||||||||
| Operating profit | 17.2 | 15.2 | 12.2 | |||||||||||||
| Corporate segment | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Operating profit | (170.0) | (162.3) | (115.3) | |||||||||||||
| Segment Reconciling Items | Building & Energy Solutions | ||||||||||||||||
| Segment Reporting Information [Line Items] | ||||||||||||||||
| Income from unconsolidated affiliates, net | (6.5) | (9.0) | (6.6) | |||||||||||||
| Tax Adjustments, Settlements, and Unusual Provisions | $ (1.2) | $ (2.0) | $ 0.0 | |||||||||||||
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