Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Consolidated Statements of Operations
Sales of goods	$ 118,070	$ 146,780	$ 225,985	$ 269,576
Sales of services	17,924	24,639	36,319	39,750
Total sales	135,994	171,419	262,304	309,326
Cost of goods sold	92,638	114,793	179,031	210,987
Cost of services sold	15,543	19,537	31,500	30,596
Total cost of sales	108,181	134,330	210,531	241,583
Gross profit	27,813	37,089	51,773	67,743
Selling and administrative expenses	23,317	24,278	46,134	46,528
Amortization expense	2,789	3,456	6,055	5,613
Asset impairments	128,938	0	128,938	0
Interest expense	1,652	1,288	2,822	1,901
Interest income	(52)	(37)	(107)	(94)
Equity in loss of nonconsolidated investments	487	186	683	13
Other expense (income)	107	95	822	(708)
Total operating expenses	157,238	29,266	185,347	53,253
(Loss) income before income taxes	(129,425)	7,823	(133,574)	14,490
Income tax (benefit) expense	(37,429)	2,461	(38,746)	4,841
Net (loss) income	$ (91,996)	$ 5,362	$ (94,828)	$ 9,649
Basic (loss) earnings per common share	$ (8.96)	$ 0.52	$ (9.25)	$ 0.94
Diluted (loss) earnings per common share	(8.96)	0.52	(9.25)	0.93
Dividends paid per common share	$ 0.04	$ 0.04	$ 0.08	$ 0.08