BALANCE SHEET COMPONENTS: Short-term Investments and Accounts Receivable, net (Details) - USD ($)
$ in Thousands
May. 31, 2015
Nov. 30, 2014
Short-term investments    
Short-term investments $ 5,587 $ 7,128
Accounts receivable, net    
Accounts receivable 1,743,854 2,163,690
Less: Allowance for doubtful accounts (16,143) (16,870)
Less: Allowance for sales returns (35,624) (55,309)
Accounts receivable, net 1,692,087 2,091,511
Trading Securities [Member]    
Short-term investments    
Short-term investments 0 1,987
Held-to-maturity securities [Member]    
Short-term investments    
Short-term investments $ 5,587 $ 5,141