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Insurance (Tables) | 3 Months Ended
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Jan. 31, 2019
Insurance [Abstract] |
Schedule of Insurance Related Balances and Activity | Insurance Related Balances and Activity
(in millions) | January 31, 2019 |  | October 31, 2018
Insurance claim reserves, excluding medical and dental | $ | 512.0 |  |  | $ | 501.4 |
Medical and dental claim reserves | 9.7 |  |  | 8.9 |
Insurance recoverables | 73.7 |  |  | 73.7 |
Schedule of Instruments Used to Collateralize Insurance Obligations | Instruments Used to Collateralize Our Insurance Obligations
(in millions) | January 31, 2019 |  | October 31, 2018
Standby letters of credit | $ | 143.5 |  |  | $ | 144.1 |
Surety bonds | 89.2 |  |  | 89.2 |
Restricted insurance deposits | 0.8 |  |  | 0.6 |
Total | $ | 233.5 |  |  | $ | 233.9 |

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