Pension and Other Post-Retirement Benefit Matters Defined Contribution Plan (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Schedule of Defined Contribution Plans Disclosures [Line Items]
Defined Contribution Plan, Automatic Annual Increase By Employer Unless Employee Opts Out Or Contributions Cease	1.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	3.00%
Defined Contribution Plan, Employer Matching Contribution, Additional Percent of Match	50.00%
Defined Contribution Plan, Cost Recognized	$ 2,195	$ 1,620
Minimum [Member]
Schedule of Defined Contribution Plans Disclosures [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Additional Percent of Employees' Gross Pay	4.00%
Maximum [Member]
Schedule of Defined Contribution Plans Disclosures [Line Items]
Defined Contribution Plan, Employer Matching Contribution, Additional Percent of Employees' Gross Pay	5.00%