Discontinued Operations and Related Assets Held for Sale (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	4 Months Ended	7 Months Ended	9 Months Ended
	Aug. 14, 2015	Sep. 30, 2015	Sep. 30, 2016	Jun. 30, 2016	Aug. 14, 2015	Sep. 30, 2016	Dec. 31, 2015
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Impairment						$ 105,623
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Depreciation and amortization						3,849
Deferred income taxes						(1,172)
Capital expenditures						3,621
Current Assets:
Total current assets of discontinued operations			$ 94,886			94,886	$ 98,281
Long-term Assets:
Total long-term assets of discontinued operations							103,975
Current Liabilities:
Total current liabilities of discontinued operations			16,953			16,953	23,082
Long-term Liabilities:
Long-term liabilities of discontinued operations			867			867	1,167
Engineered Solutions [Member] | Discontinued Operations, Held-for-sale [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Net sales	$ 13,994	$ 19,816	30,165		$ 98,024	89,184
Cost of sales	16,779	17,712	23,497		94,817	74,051
Gross profit (loss)	(2,785)	2,104	6,668		3,207	15,133
Research and development	501	440	707		2,179	2,398
Selling and administrative expenses	4,557	2,797	4,113		16,008	13,674
Rationalizations	743	681	(130)		5,248	(200)
Impairment	0	0	0	$ 105,600	0	105,623
Operating (loss) income	(8,586)	(1,814)	1,978		(20,228)	(106,362)
Other expense (income)	(26)	(24)	(3)		(90)	(75)
Interest expense	212	351	783		907	2,452
(Loss) income from discontinued operations before income taxes	(8,772)	(2,141)	1,198		(21,045)	(108,739)
Provision for (benefit from) income taxes on discontinued operations	1,879	274	(64)		2,366	1,171
Net (loss) income from discontinued operations	$ (6,893)	(1,867)	1,134		(18,679)	(107,568)
Discontinued Operation, Alternative Cash Flow Information [Abstract]
Depreciation and amortization		1,931			7,988
Deferred income taxes		(273)			(2,366)
Capital expenditures		$ 1,229			$ 10,104
Current Assets:
Accounts receivable			20,842			20,842	20,425
Inventories			77,719			77,719	77,332
Prepaid expenses and other current assets			643			643	524
Long-term Assets:
Net property plant and equipment			87,099			87,099	86,369
Other assets			14,183			14,183	17,606
Total long-term assets of discontinued operations			200,486			200,486	202,256
Impairment upon reclassification to discontinued operations			(105,600)			(105,600)	0
Total assets of discontinued operations			94,886			94,886	202,256
Current Liabilities:
Accounts payable			5,830			5,830	9,331
Accrued income and other taxes			2,163			2,163	3,113
Other accrued liabilities			8,960			8,960	10,638
Total current liabilities of discontinued operations			16,953			16,953	23,082
Long-term Liabilities:
Long-term liabilities of discontinued operations			867			867	1,167
Total liabilities of discontinued operations			$ 17,820			$ 17,820	$ 24,249