Annual report pursuant to Section 13 and 15(d)

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

v2.4.0.6
Concentration of Risk - Summary of Customers Accounted for More than Five Percent of Net Sales (Parenthetical) (Detail)
12 Months Ended
Nov. 30, 2011
Concentration Risk [Line Items]  
Customers accounted more than five percent of net sales 5.00%