Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net sales	$ 213,534	$ 197,514	$ 395,447	$ 370,508
Freight billed to customers	938	747	1,695	1,423
Total revenues	214,472	198,261	397,142	371,931
Cost of sales	167,979	156,868	316,979	299,341
Gross profit	46,493	41,393	80,163	72,590
Selling, general and administrative expenses	33,537	34,083	65,060	67,415
Income from operations	12,956	7,310	15,103	5,175
Other income (expense)	2,580	(852)	473	(3,638)
Earnings before interest and income taxes	15,536	6,458	15,576	1,537
Interest expense	5,456	5,138	10,540	10,005
Income (loss) before income taxes	10,080	1,320	5,036	(8,468)
Provision (benefit) for income taxes	6,092	2,152	4,009	(1,066)
Net income (loss)	$ 3,988	$ (832)	$ 1,027	$ (7,402)
Net income (loss) per share:
Basic	$ 0.18	$ (0.04)	$ 0.05	$ (0.34)
Diluted	0.18	(0.04)	0.05	(0.34)
Dividends declared per share	$ 0	$ 0.1175	$ 0.1175	$ 0.235