Income Taxes (Details Textual) $ in Thousands	12 Months Ended
	Oct. 31, 2017 USD ($)	Oct. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)
Income tax disclosures [Line Items]
Number of states	20
Effective Income Tax Rate Reconciliation, Percent	34.20%	35.10%	32.20%
Valuation allowance - reversed	$ (32,154)	$ 0	$ (16,323)
Valuation allowance - recognized	$ 0	$ 1,018	$ 3,681
State and Local Jurisdiction [Member]
Income tax disclosures [Line Items]
Effective Income Tax Rate Reconciliation, Percent	6.50%	7.10%	6.30%
State Net Operating Loss Carryforwards [Member] | Minimum [Member]
Income tax disclosures [Line Items]
net operating loss, carryback expiration periods	5 years
State Net Operating Loss Carryforwards [Member] | Maximum [Member]
Income tax disclosures [Line Items]
net operating loss, carryback expiration periods	20 years