Annual report pursuant to Section 13 and 15(d)

Concentration of Risk - Summary of Customers Accounted for More than Five Percent of Net Sales (Details)

v3.6.0.2
Concentration of Risk - Summary of Customers Accounted for More than Five Percent of Net Sales (Details)
 12 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Nov. 30, 2014
Walmart      
Concentration Risk [Line Items]      
Percentage of Company's net saves accounted by customer 38.70% 34.60% 47.00%
Walgreens      
Concentration Risk [Line Items]      
Percentage of Company's net saves accounted by customer 10.50% 13.40% 6.50%
Target      
Concentration Risk [Line Items]      
Percentage of Company's net saves accounted by customer 8.60% 7.20%  
CVS      
Concentration Risk [Line Items]      
Percentage of Company's net saves accounted by customer   5.70%  
Foreign Sales      
Concentration Risk [Line Items]      
Percentage of Company's net saves accounted by customer 11.30% 13.20% 13.60%