Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS (Narrative) (Details)

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Narrative) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Apr. 04, 2015
Dec. 31, 2015
Palmer of Texas [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value   $ 0  
Change in fair value of contingent consideration liability   $ 2,483,000  
Specialty Pipe And Tube, Inc. [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value $ 0   $ 0
Term Loan [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Variable rate basis on interest rate swap LIBOR    
Term Loan [Member] | Palmer of Texas [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of interest rate swap, liability $ 252,000   40,000
Term Loan [Member] | Color Resources, LLC [Member] | Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of interest rate swap, liability $ 288,000   $ 206,000