Insurance (Tables)

9 Months Ended

Jul. 31, 2017

Insurance [Abstract]

Schedule of Insurance Related Balances and Activity

Insurance Related Balances and Activity

(in millions)	July 31, 2017		October 31, 2016
Insurance claim reserves excluding medical and dental	$	449.3	$	417.9
Medical and dental claim reserves	8.3		5.9
Insurance recoverables	74.6		69.7

Schedule of Instruments Used to Collateralize Insurance Obligations

Instruments Used to Collateralize Our Insurance Obligations

(in millions)	July 31, 2017		October 31, 2016
Standby letters of credit	$	118.8	$	118.3
Surety bonds	59.9		57.2
Restricted insurance deposits	11.2		11.2
Total	$	189.9	$	186.7