Commitments and Contingencies - Summary of Reconciliation of Company's Residential Product Warranty Reserve (Detail) - Surface Flaking Warranty Reserve [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Product Warranty Liability [Line Items]
Beginning balance	$ 34,999	$ 37,693
Provisions and changes in estimates	1,567	2,186
Settlements made during the period	(2,793)	(3,219)
Ending balance	33,773	36,660
Surface Flaking [Member]
Product Warranty Liability [Line Items]
Beginning balance	28,157	33,847
Settlements made during the period	(2,287)	(2,683)
Ending balance	25,870	31,164
Other Residential [Member]
Product Warranty Liability [Line Items]
Beginning balance	6,842	3,846
Provisions and changes in estimates	1,567	2,186
Settlements made during the period	(506)	(536)
Ending balance	$ 7,903	$ 5,496