Insurance - Standby Letters of Credit, Surety Bonds and Restricted Insurance Deposits Outstanding to Collateralize Self-Insurance Obligations (Detail) (USD $) In Millions, unless otherwise specified	Oct. 31, 2014		Oct. 31, 2013
Letters Of Credit [Line Items]
Standby letters of credit	$ 114.9		$ 100.6
Surety bonds	339.7
Restricted insurance deposits	(11.5)	[1]	(28.5)	[1]
Self Insurance Programs
Letters Of Credit [Line Items]
Standby letters of credit	111.1		97.7
Surety bonds	52.5		40.5
Restricted insurance deposits	11.5		28.5
Total	$ 175.1		$ 166.7

[1] Represents restricted insurance deposits that are used to collateralize our insurance obligations and are stated at nominal value, which equals fair value. These insurance deposits were acquired as part of the OneSource Services Inc. acquisition, and are included in “Other assets” on the accompanying consolidated balance sheets. See Note 9, “Insurance,” for further information.