Sales by Product Group - Summary of Sales by Product Group (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Oct. 01, 2016 |
Jul. 02, 2016 |
Apr. 02, 2016 |
Jan. 02, 2016 |
Oct. 03, 2015 |
Jul. 04, 2015 |
Apr. 04, 2015 |
Dec. 31, 2016 |
Jan. 02, 2016 |
Jan. 03, 2015 |
|
| Product category: | |||||||||||
| Net sales | $ 109,504 | $ 129,807 | $ 119,033 | $ 100,206 | $ 93,008 | $ 100,668 | $ 100,833 | $ 95,301 | $ 458,550 | $ 389,810 | $ 306,388 |
| Impact-Resistant Window and Door Products [Member] | |||||||||||
| Product category: | |||||||||||
| Net sales | 381,600 | 319,200 | 240,300 | ||||||||
| Non-impact Window and Door Products [Member] | |||||||||||
| Product category: | |||||||||||
| Net sales | $ 77,000 | $ 70,600 | $ 66,100 | ||||||||