Insurance (Tables)

3 Months Ended

Jan. 31, 2018

Insurance [Abstract]

Schedule of Insurance Related Balances and Activity

Insurance Related Balances and Activity

(in millions)	January 31, 2018		October 31, 2017
Insurance claim reserves excluding medical and dental	$	490.7	$	485.6
Medical and dental claim reserves	10.7		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)	January 31, 2018		October 31, 2017
Standby letters of credit	$	136.7	$	137.6
Surety bonds	77.5		77.5
Restricted insurance deposits	10.2		11.2
Total	$	224.4	$	226.3