LONG-TERM DEBT LONG-TERM DEBT - Term Loan Facility (Details) - USD ($)
12 Months Ended
Jan. 30, 2014
Jan. 30, 2014
Dec. 31, 2016
Dec. 30, 2016
Nov. 04, 2016
Mar. 10, 2016
Dec. 31, 2015
Dec. 31, 2014
Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Issuance Date   Jan. 30, 2014            
Debt Instrument, Face Amount $ 430,000,000 $ 430,000,000            
Debt Instrument, Unamortized Discount 2,200,000 $ 2,200,000         $ 17,854,000 $ 35,106,000
Proceeds from Debt, Net of Issuance Costs $ 427,900,000              
debt instrument, periodic payment, principal, percentage basis             1.00%  
Debt Instrument, Interest Rate, Stated Percentage     4.00%          
Debt Instrument, Interest Rate, Effective Percentage 8.78% 8.78%            
Accordion Feature Line Increase, Remaining Availability     $ 140,000,000          
accordion feature line increase ratio threshold     3.75          
Long-term Debt, Term Loan Voluntary Repayment     $ 30,000,000.00   $ 100,000,000 $ 30,000,000.00    
excess cash flow threshold for prepayment     $ 15,000,000          
Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member] | Base Rate [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate     0.50%          
Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member] | Libor Rate [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate     1.00%          
Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member] | Interest Rate Floor [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate     1.00%          
Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member] | eurocurrency loan [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate     3.00%          
Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member] | alternate base rate loan [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate     2.00%          
senior secured debt ratio [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Long-term Debt, Required secured debt Ratio     0.93          
certain issuances of debt [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
excess cash flow subject to prepayment     100.00%          
certain non-ordinary course asset sales [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
excess cash flow subject to prepayment     100.00%          
Option One [Member] | Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Long-term Debt, Required secured debt Ratio     2.50          
Option One [Member] | excess cash flow [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
term loan repayment requirements     50.00%          
Option Two [Member] | Ply Gem Industries [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Long-term Debt, Required secured debt Ratio     2.00          
Option Two [Member] | excess cash flow [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
term loan repayment requirements     25.00%          
Option Three [Member] [Member] | excess cash flow [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
term loan repayment requirements     0.00%          
Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Debt Instrument, Unamortized Discount $ 1,900,000 $ 1,900,000            
Term Loan Facility due 2021 [Member] | Term Loan Facility due 2021 [Member]                
Debt Instrument [Line Items]                
Long-term Debt, Term Loan Voluntary Repayment     $ 160,000,000 $ 160,000,000 $ 100,000,000