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Insurance (Tables)
6 Months Ended
Apr. 30, 2021
Insurance [Abstract]  
Schedule of Insurance Related Balances and Activity
Insurance Related Balances and Activity
(in millions)April 30, 2021October 31, 2020
Insurance claim reserves, excluding medical and dental$501.3 $504.9 
Medical and dental claim reserves17.8 16.6 
Insurance recoverables70.2 70.1 
Schedule of Instruments Used to Collateralize Insurance Obligations
Instruments Used to Collateralize Our Insurance Obligations
(in millions)April 30, 2021October 31, 2020
Standby letters of credit $139.6 $143.6 
Surety bonds85.4 82.6 
Restricted insurance deposits0.7 0.7 
Total$225.7 $226.9