Notes Payable - Additional Information (Detail) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit	$ 148,619,000	$ 83,191,000
Domestic Bank Debt [Member]
Short-term Debt [Line Items]
Maximum borrowings under bank lines of credit	100,000,000
Domestic Bank Debt [Member] | PNC Bank [Member]
Short-term Debt [Line Items]
Domestic bank agreement days	364 days
Maximum borrowings under bank lines of credit	100,000,000
Maximum amount borrowed under bank lines of credit	$ 100,000,000