Sale of Product Line - Additional Information (Detail) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013	[1]	Jan. 31, 2015
Sale Of Product Line [Line Items]
Net sales	$ 419,291,000	$ 444,011,000	$ 452,414,000	$ 460,451,000	$ 454,231,000	$ 491,429,000	$ 504,111,000	$ 477,442,000	$ 1,776,167,000	[1]	$ 1,927,213,000	[1]	$ 1,880,786,000
Gain from the kits sale									2,862,000
J6 Polymers, LLC [Member]
Sale Of Product Line [Line Items]
Gain from the kits sale									$ 2,862,000
J6 Polymers, LLC [Member] | Polyurethane Systems Product Lines [Member]
Sale Of Product Line [Line Items]
Sale of product line for cash															$ 3,262,000
Net sales											$ 2,800,000

[1] Net sales are attributed to countries based on selling location.