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Revenue Recognition - Summary of Revenues Disaggregated by End Market and Product (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,653,225	$ 1,511,629	$ 1,336,432
Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	100.00%	100.00%	100.00%
Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	100.00%	100.00%	100.00%
Insulation
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,058,316	$ 970,070	$ 876,118
Insulation | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	64.00%	64.00%	66.00%
Waterproofing
Disaggregation of Revenue [Line Items]
Net revenue	$ 122,962	$ 112,075	$ 97,683
Waterproofing | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	7.00%	7.00%	7.00%
Shower doors, shelving and mirrors
Disaggregation of Revenue [Line Items]
Net revenue	$ 117,131	$ 105,745	$ 90,352
Shower doors, shelving and mirrors | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	7.00%	7.00%	7.00%
Garage doors
Disaggregation of Revenue [Line Items]
Net revenue	$ 93,516	$ 89,959	$ 79,539
Garage doors | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	6.00%	6.00%	6.00%
Rain gutters
Disaggregation of Revenue [Line Items]
Net revenue	$ 62,672	$ 49,788	$ 44,203
Rain gutters | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	4.00%	3.00%	3.00%
Fireproofing/firestopping
Disaggregation of Revenue [Line Items]
Net revenue	$ 49,648	$ 41,845	$ 36,589
Fireproofing/firestopping | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	3.00%	3.00%	3.00%
Window blinds
Disaggregation of Revenue [Line Items]
Net revenue	$ 46,984	$ 41,641	$ 28,981
Window blinds | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	3.00%	3.00%	2.00%
Other building products
Disaggregation of Revenue [Line Items]
Net revenue	$ 101,996	$ 100,506	$ 82,967
Other building products | Revenue from Contract with Customer, Product and Service Benchmark | Product Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	6.00%	7.00%	6.00%
Residential new construction
Disaggregation of Revenue [Line Items]
Net revenue	$ 1,243,498	$ 1,138,475	$ 1,026,473
Residential new construction | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	75.00%	75.00%	77.00%
Repair and remodel
Disaggregation of Revenue [Line Items]
Net revenue	$ 106,784	$ 98,771	$ 89,977
Repair and remodel | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	7.00%	7.00%	7.00%
Commercial
Disaggregation of Revenue [Line Items]
Net revenue	$ 302,943	$ 274,383	$ 219,982
Commercial | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Customer concentration risk, percentage	18.00%	18.00%	16.00%

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