Stock Compensation Information (Summary Of Remaining Unrecognized Compensation Expense) (Details) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2013
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	$ 290
Remainder Of 2014 [Member]
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	77
2015 [Member]
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	101
2016 [Member]
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	77
2017 [Member]
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	30
2018 [Member]
Schedule Of Employee Service Share-Based Compensation, Allocation Of Not Yet Recognized Period Costs [Line Items]
Nonvested equity awards outstanding, unrecognized compensation expense	$ 5