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Sale of Assets and Acquisitions - Summary of Unaudited Pro forma Results (Detail) - WinDoor [Member] - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Business Acquisition [Line Items]    
Net sales $ 461,011 $ 430,626
Net income $ 22,402 $ 17,912
Net income per common share:    
Basic $ 0.46 $ 0.37
Diluted $ 0.44 $ 0.36