Intangible Assets (Parenthetical) (Detail)	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Non-compete agreements
Intangible Assets [Line Items]
Amortizable intangible assets, estimated life	5 years	5 years
Customer relationships
Intangible Assets [Line Items]
Amortizable intangible assets, estimated life	9 years 7 months 6 days	9 years 7 months 6 days