Stockholders' Equity - Stock Option Grants, Activity And Expense (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Feb. 29, 2016 USD ($) individual $ / shares shares	Feb. 28, 2015 USD ($) $ / shares shares
2009 Stock Option Plan
Granted (in shares)	0	0
Other Disclosures
Number of option holders | individual	15
Compensation expense for stock options
Compensation expense (benefit) | $	$ 71	$ 93
Related tax benefit (expense) | $	$ 12	$ 18
Activity under the 2009 Stock Option Plan
Granted (in shares)	0	0
Exercised (in shares)	0	0
Forfeited (in shares)	0	0
Outstanding at end of period (in shares)	225,727	222,001
Weighted Avg. Exercise Price
Outstanding at end of period (in dollars per share) | $ / shares	$ 30.47	$ 30.35
2009 Stock Option Plan
2009 Stock Option Plan
Expiration term	10 years
Nonvested Options
Unrecognized compensation expense related to non-vested stock options that will be recognized during future periods
Balance of fiscal 2016 | $	$ 42
Fiscal 2017 | $	$ 19