Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Amortization Expense on Other Intangible Assets (Detail)	12 Months Ended
	Oct. 31, 2015
Minimum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	10 years
Minimum [Member] | Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	1 year
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	5 years
Minimum [Member] | Other Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	3 years
Maximum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	15 years
Maximum [Member] | Non-Compete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	15 years
Maximum [Member] | Other Intangible [Member]
Finite-Lived Intangible Assets [Line Items]
Finite Lived Intangible Asset, Useful Life	15 years