Summary of Significant Accounting Policies - Schedule of Previously Reported Correction and Reclassification (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Item Effected [Line Items]
Net sales	$ 165,599	$ 198,798
Cost of sales	150,590	158,037
Gross profit	15,009	40,761
Selling, general and administrative expense	$ 26,862	26,615
As Previously Reported [Member]
Item Effected [Line Items]
Net sales		193,858
Cost of sales		151,499
Gross profit		42,359
Selling, general and administrative expense		28,191
Provision for losses on accounts receivable		22
Adjustments / Reclassifications [Member]
Item Effected [Line Items]
Net sales		4,940
Cost of sales		6,538
Gross profit		(1,598)
Selling, general and administrative expense		(1,576)
Provision for losses on accounts receivable		$ (22)