Quarterly Financial Data - Reconciliation of Net Sales and Gross Profit as Previously Reported from Continuing Operstion (Detail) - USD ($) $ in Thousands	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
Schedule Of Quarterly Financial Data [Line Items]
Net sales	$ 157,021	$ 163,617	$ 192,345	$ 198,798	$ 187,258	$ 177,860	$ 210,746	$ 185,382	$ 711,781	$ 761,246	$ 701,241
Gross profit	$ 19,070	11,180	32,697	40,761	30,054	22,942	47,445	47,433	$ 103,708	147,874	138,119
As Previously Reported [Member]
Schedule Of Quarterly Financial Data [Line Items]
Net sales		157,685	182,659	193,858	181,277	171,046	201,662	178,525		732,510	679,287
Gross profit		13,279	34,882	42,359	31,378	24,386	48,869	48,722		153,355	143,556
Adjustments [Member]
Schedule Of Quarterly Financial Data [Line Items]
Net sales		5,932	9,686	4,940	5,981	6,814	9,084	6,857
Gross profit		(2,099)	(2,185)	(1,598)	(1,324)	(1,444)	(1,424)	(1,289)
As Adjusted [Member]
Schedule Of Quarterly Financial Data [Line Items]
Net sales		163,617	192,345	198,798	187,258	177,860	210,746	185,382		28,736	21,954
Gross profit		$ 11,180	$ 32,697	$ 40,761	$ 30,054	$ 22,942	$ 47,445	$ 47,433		$ (5,481)	$ (5,437)