Description of Business - Additional Information (Detail)	12 Months Ended
	Jan. 02, 2021 Operation Plant
Florida [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operation	3
North Venice, Florida [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operation	1
Greater Miami, Florida [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operation	2
Arizona [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operation	1
Glass Tempering and Laminating Plant [Member]
Description Of Business [Line Items]
Number of plants | Plant	2
Glass Tempering and Laminating Plant [Member] | North Venice [Member]
Description Of Business [Line Items]
Number of plants | Plant	2
Insulation Glass Plants [Member]
Description Of Business [Line Items]
Number of plants | Plant	1
Insulation Glass Plants [Member] | North Venice [Member]
Description Of Business [Line Items]
Number of plants | Plant	1