Quarterly report pursuant to Section 13 or 15(d)

401K Plan (Details)

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401K Plan (Details)
9 Months Ended
Aug. 31, 2015
401(K) PLAN (Textual) [Abstract]  
Profit sharing criteria minimum age requirement 21 years
Employees salary reduction contributions (percent) 25.00%
Union Plan 401K  
401(K) PLAN (Textual) [Abstract]  
Profit sharing criteria period of employees service 1 year
Non Union Plan 401K  
401(K) PLAN (Textual) [Abstract]  
Profit sharing criteria period of employees service 6 months