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Revenue Recognition - Summary of Revenues Disaggregated by End Market and Product (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 348,999 | $ 295,193 | $ 983,311 | $ 833,058
Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 100.00% | 100.00% | 100.00% | 100.00%
Insulation [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 225,503 | $ 195,872 | $ 646,270 | $ 561,462
Insulation [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 65.00% | 66.00% | 66.00% | 67.00%
Waterproofing [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 25,980 | $ 21,571 | $ 73,477 | $ 64,695
Waterproofing [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 7.00% | 7.00% | 7.00% | 8.00%
Shower Doors, Shelving and Mirrors [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 23,190 | $ 21,849 | $ 66,222 | $ 53,107
Shower Doors, Shelving and Mirrors [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 7.00% | 7.00% | 7.00% | 6.00%
Garage Doors [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 21,781 | $ 15,874 | $ 56,574 | $ 45,338
Garage Doors [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 6.00% | 6.00% | 6.00% | 5.00%
Rain Gutters [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 12,163 | $ 10,863 | $ 31,429 | $ 29,493
Rain Gutters [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 4.00% | 4.00% | 3.00% | 4.00%
Blinds [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 7,811 | $ 2,634 | $ 21,196 | $ 5,909
Blinds [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 2.00% | 1.00% | 2.00% | 1.00%
Other Building Products [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 32,571 | $ 26,530 | $ 88,143 | $ 73,054
Other Building Products [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 9.00% | 9.00% | 9.00% | 9.00%
Residential New Construction [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 268,254 | $ 228,526 | $ 755,800 | $ 637,915
Residential New Construction [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 77.00% | 77.00% | 77.00% | 77.00%
Repair and Remodel[Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 23,107 | $ 18,722 | $ 65,453 | $ 53,597
Repair and Remodel[Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 7.00% | 6.00% | 7.00% | 6.00%
Commercial [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Net revenues | $ 57,638 | $ 47,945 | $ 162,058 | $ 141,546
Commercial [Member] | Revenue [Member] | Customer Concentration Risk [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Percentage of Net revenues | 16.00% | 17.00% | 16.00% | 17.00%

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