Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2013	$ 19,907,000
2014	17,746,000
2015	15,546,000
2016	13,272,000
2017	11,912,000
2018 and thereafter	56,181,000
Total	134,564,000
Rent expense	$ 33,200,000	$ 31,700,000	$ 28,800,000