401(K) Plan (Details) |
12 Months Ended |
|---|---|
Nov. 30, 2016 | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Profit sharing criteria minimum age requirement | 21 years |
| Employees salary reduction contributions | 25.00% |
| NonUnionPlan401K | |
| Defined Benefit Plan Disclosure [Line Items] | |
| Profit sharing criteria period of employees service | 6 months |