Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Total revenues	$ 191,555,000	$ 188,397,000	$ 588,697,000	$ 560,328,000
Cost of sales	154,315,000	150,396,000	471,294,000	449,737,000
Gross profit	37,240,000	38,001,000	117,403,000	110,591,000
Selling, general and administrative expenses	33,336,000	29,460,000	98,396,000	96,875,000
Goodwill impairment	0	79,700,000	0	79,700,000
Income (loss) from operations	3,904,000	(71,159,000)	19,007,000	(65,984,000)
Other income (expense)	(1,453,000)	193,000	(980,000)	(3,445,000)
Earnings (loss) before interest and income taxes	2,451,000	(70,966,000)	18,027,000	(69,429,000)
Interest expense	5,652,000	5,118,000	16,192,000	15,123,000
Income (loss) before income taxes	(3,201,000)	(76,084,000)	1,835,000	(84,552,000)
Provision for income taxes	1,758,000	2,731,000	5,767,000	1,665,000
Net loss	$ (4,959,000)	$ (78,815,000)	$ (3,932,000)	$ (86,217,000)
Net loss per share:
Basic	$ (0.22)	$ (3.57)	$ (0.18)	$ (3.92)
Diluted	(0.22)	(3.57)	(0.18)	(3.92)
Dividends declared per share	$ 0	$ 0.1175	$ 0.1175	$ 0.3525
Net sales
Total revenues	$ 190,775,000	$ 187,339,000	$ 586,222,000	$ 557,847,000
Freight billed to customers
Total revenues	$ 780,000	$ 1,058,000	$ 2,475,000	$ 2,481,000