Quarterly report pursuant to Section 13 or 15(d)

Income per Common Share - Additional Information (Detail)

v3.7.0.1
Income per Common Share - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
May 31, 2016
May 31, 2016
Employee Stock Incentive Plan [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Number of outstanding options excluded from computation of diluted earnings per share 40,000 40,000