Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Net Revenues	$ 550,642	$ 666,011	$ 742,045
Cost of Sales	444,449	565,219	601,713
Gross Profit	106,193	100,792	140,332
Selling, General and Administrative Expenses	77,625	85,921	88,565
Goodwill Impairment	0	57,243	0
Intangible Asset Impairment	0	32,937	0
Operating Income (Loss)	28,568	(75,309)	51,767
Interest Expense	(8,274)	(18,709)	(28,077)
Gain on Divestitures, Net	17,604	0	0
Loss on Extinguishment of Debt	0	(14,720)	0
Other Income, Net	215	2,148	2,550
Income (Loss) Before Taxes	38,113	(106,590)	26,240
Income Tax Expense (Benefit)	12,852	(31,711)	6,373
Net Income (Loss)	$ 25,261	$ (74,879)	$ 19,867
Earnings (Loss) Per Share
Basic earnings (loss) per share (in dollars per share)	$ 2.27	$ (6.78)	$ 1.82
Diluted earnings (loss) per share (in dollars per share)	$ 2.24	$ (6.78)	$ 1.79
Weighted-Average Number of Shares Outstanding
Basic (in shares)	11,151	11,047	10,897
Diluted (in shares)	11,299	11,047	11,126