Sale of Product Line - Additional Information (Detail) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	[1]	Dec. 31, 2016	[1]	Dec. 31, 2015		Dec. 31, 2014	Jan. 31, 2015
Sale Of Product Line [Line Items]
Net sales	$ 473,823,000	$ 487,814,000	$ 495,101,000	$ 468,269,000	$ 420,636,000	$ 445,030,000	$ 454,603,000	$ 445,897,000	$ 1,925,007,000		$ 1,766,166,000		$ 1,776,167,000	[1]
Specialty polyurethane systems product line (kits) [Member]
Sale Of Product Line [Line Items]
Sale of product line for cash																$ 3,262,000
Net sales															$ 2,800,000
Gain from the kits sale													$ 2,862,000

[1] Net sales are attributed to countries based on the location of the Company facility making the sales.