Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] $ in Millions	Feb. 24, 2016 USD ($) site
Window Profile Manufacturing Sites [Member]
Subsequent Event [Line Items]
Number of sites sold	5
Door Manufacturing Site [Member]
Subsequent Event [Line Items]
Number of sites sold	1
Vinyl Compound Manufacturing Site [Member]
Subsequent Event [Line Items]
Number of sites sold	1
Compound Additives Business [Member]
Subsequent Event [Line Items]
Consideration for disposal of business | $	$ 41.1