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BANK BORROWING AND TRADE CREDIT ARRANGEMENTS (Detail)
 3 Months Ended
Mar. 31, 2016
USD ($)
Institution
Dec. 31, 2015
USD ($)
Institution
Subordinated Borrowing [Line Items]    
Line of credit, borrowing capacity $ 50,000,000  
Credit facility, expiration date Feb. 24, 2017  
Line of credit, maximum borrowing capacity $ 80,000,000  
Debt instrument, description of variable rate basis one-month LIBOR  
Debt ratio 2.0  
Line of credit, outstanding borrowing $ 0 $ 0
Line of credit, available for borrowing $ 50,000,000 $ 50,000,000
Number of financial institutions facilitating purchase of inventory | Institution 2 2
Maximum    
Subordinated Borrowing [Line Items]    
Amount owed to financial institution for inventory financing $ 65,000,000 $ 65,000,000
Accounts Payable    
Subordinated Borrowing [Line Items]    
Amount owed to financial institution for inventory financing $ 27,811,000 $ 23,044,000
Prime Rate    
Subordinated Borrowing [Line Items]    
Debt instrument, interest rate 3.50%  
One-month LIBOR rate    
Subordinated Borrowing [Line Items]    
Debt instrument, interest rate 0.43%