Basis of Presentation and Summary of Significant Accounting Policies - Additional information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2012 Customer	Oct. 31, 2011 Customer	Oct. 31, 2010 Customer
Significant Accounting Policies [Line Items]
Additional information about Entity's	Equity investments in which the Company does not have control, but which the Company has the ability to exercise significant influence over operating and financial policies (generally 20% to 50% ownership), are accounted for using the equity method of accounting.
Costs directly reimbursed from parking lot client	$ 305,700,000	$ 299,400,000	$ 231,500,000
Number of client accounted for more than 10% of consolidated revenues	0	0	0
Total energy savings guarantees for certain customers	45,600,000
Guarantee term for certain customers	Through 2026
Investments in unconsolidated affiliates, net	14,863,000	14,423,000
Advertising expense	$ 2,600,000	$ 2,300,000	$ 800,000
Minimum
Significant Accounting Policies [Line Items]
Equity method investment ownership percentage	20.00%
Maximum
Significant Accounting Policies [Line Items]
Equity method investment ownership percentage	50.00%