Revenue Recognition and Contracts with Customers - Net Sales by Reporting Segment, Product Category and Market (Detail) - USD ($) $ in Thousands	3 Months Ended
	Apr. 04, 2020	Mar. 30, 2019
Disaggregation Of Revenue [Line Items]
Net sales	$ 220,204	$ 173,737
Southeast Segment [Member]
Disaggregation Of Revenue [Line Items]
Net sales	183,641	141,676
Western Segment [Member]
Disaggregation Of Revenue [Line Items]
Net sales	36,563	32,061
Impact-Resistant Windows and Door Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	153,600	119,600
Non-Impact Window and Door Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	66,600	54,100
New Construction [Member]
Disaggregation Of Revenue [Line Items]
Net sales	109,100	88,300
Repair and Remodel [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 111,100	$ 85,400