Goodwill and Intangible Assets Intangible Assests (Excluding Goodwill) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year		$ 11,800		$ 11,800
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)						$ 11,826
Impairment of Intangible Assets, Finite-lived				542		38,083
Finite-Lived Intangible Assets, Gross	[1],[2]	147,396		147,396		178,059
Finite-Lived Intangible Assets, Accumulated Amortization	[1],[2]	(86,180)		(86,180)		(107,046)
Amortization		2,912	$ 4,572	9,156	$ 13,099
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		10,400		10,400
Finite-Lived Intangible Assets, Amortization Expense, Year Two		9,800		9,800
Finite-Lived Intangible Assets, Amortization Expense, Year Three		9,800		9,800
Finite-Lived Intangible Assets, Amortization Expense, Year Four		8,200		8,200
Finite-Lived Intangible Assets, Amortization Expense, Year Five		2,200		2,200
Impairment of Long-Lived Assets Held-for-use						7,657
Tangible Asset Impairment Charges				675
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		35,697		35,697		35,701
Unpatented technology
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		8,333		8,333		8,530
Finite-Lived Intangible Assets, Accumulated Amortization		(3,054)		(3,054)		(2,660)
Patents
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		1,262		1,262		7,770
Finite-Lived Intangible Assets, Accumulated Amortization		(658)		(658)		(6,753)
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		5,002		5,002		10,052
Finite-Lived Intangible Assets, Accumulated Amortization		(2,167)		(2,167)		(6,886)
Customer Relationships [Member]
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		119,658		119,658		138,223
Finite-Lived Intangible Assets, Accumulated Amortization		(79,474)		(79,474)		(90,180)
Land use rights
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		13,141		13,141		13,484
Finite-Lived Intangible Assets, Accumulated Amortization		$ (827)		$ (827)		$ (567)

[1] Amounts include the impact of foreign currency translation. Fully amortized amounts are written off.

[2] The Company amortizes certain identifiable intangible assets primarily on a straight-line basis over their estimated useful lives, which range from one to 50 years.