PENSION AND EMPLOYEE BENEFITS PLANS: (401k Plan) (Details) (Plan [Member], USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
---|---|---|---|
Nov. 30, 2014
|
Nov. 30, 2013
|
Nov. 30, 2012
|
|
Plan [Member]
|
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Defined Contribution Plan Disclosure [Line Items] | |||
Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 2,231 | $ 1,365 | $ 1,252 |