Insurance (Tables)

9 Months Ended

Jul. 31, 2018

Insurance [Abstract]

Schedule of Insurance Related Balances and Activity

Insurance Related Balances and Activity

(in millions)	July 31, 2018		October 31, 2017
Insurance claim reserves excluding medical and dental	$	500.4	$	485.6
Medical and dental claim reserves	8.9		9.8
Insurance recoverables	73.8		73.1

Schedule of Instruments Used to Collateralize Insurance Obligations

Instruments Used to Collateralize Our Insurance Obligations

(in millions)	July 31, 2018		October 31, 2017
Standby letters of credit	$	146.7	$	137.6
Surety bonds	89.0		77.5
Restricted insurance deposits	0.6		11.2
Total	$	236.3	$	226.3