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Insurance (Tables)
6 Months Ended
Apr. 30, 2018
Insurance [Abstract]  
Schedule of Insurance Related Balances and Activity
Insurance Related Balances and Activity
(in millions)
April 30, 2018
 
October 31, 2017
Insurance claim reserves excluding medical and dental
$
495.7

 
$
485.6

Medical and dental claim reserves
10.0

 
9.8

Insurance recoverables
74.9

 
73.1

Schedule of Instruments Used to Collateralize Insurance Obligations
Instruments Used to Collateralize Our Insurance Obligations
(in millions)
April 30, 2018
 
October 31, 2017
Standby letters of credit
$
136.7

 
$
137.6

Surety bonds
78.2

 
77.5

Restricted insurance deposits
10.4

 
11.2

Total
$
225.3

 
$
226.3