Description of Business - Additional Information (Detail)	12 Months Ended
	Dec. 30, 2017 Operations Plant
Description Of Business [Line Items]
Number of manufacturing operations | Operations	4
North Venice [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operations	1
Greater Miami [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operations	2
Orlando [Member]
Description Of Business [Line Items]
Number of manufacturing operations | Operations	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