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Benefit Plans - Assumptions Used to Determine the Present Value of the Projected Benefit Obligations and Net Periodic Pension Costs (Detail) - German Pension Plan [Member]
12 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Projected benefit obligation:    
Discount rate 2.20% 2.10%
Rate of compensation increase   3.00%
Net periodic pension benefit cost:    
Discount rate 2.10% 3.40%
Rate of compensation increase   3.00%