v3.7.0.1
ACCOUNTS RECEIVABLE ARRANGEMENTS: (Details) - USD ($)
$ in Thousands
 3 Months Ended
Feb. 28, 2017
Feb. 29, 2016
Nov. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Net sales financed $ 3,520,869 $ 3,125,622  
Accounts receivable, net $ 1,724,774   $ 1,756,494
Flooring Companies [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Approximate minimum days from sale to cash collection from Flooring Companies 15 days    
Approximate maximum days from sale to cash collection from Flooring Companies 30 days    
Net sales financed $ 269,393 258,711  
Accounts receivable, net 51,080   65,099
Flooring Companies [Member] | Interest Expense and Finance Charges, Net [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Flooring fees [1] 1,702 1,647  
Supply-chain Financing Program [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable transferred, subject to collection 54,132   8,988
Discount fees 255 $ 116  
Trade Accounts Receivable [Member] | A.R. Arrangement [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Line of credit facility, borrowing capacity 600,000    
Line of credit facility, accordion feature amount $ 120,000    
Facility fees rate 0.35%    
Borrowings outstanding $ 298,700   262,900
London Interbank Offered Rate (LIBOR) [Member] | Trade Accounts Receivable [Member] | A.R. Arrangement [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Program fee 0.75%    
SYNNEX Infotec Corporation [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable transferred, subject to collection $ 2,582   $ 3,564
[1] Flooring fees are included within “Interest expense and finance charges, net.”