Goodwill and Intangible Assets Intangible Assests (Excluding Goodwill) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)						$ 11,826
Impairment of Intangible Assets, Finite-lived						38,083
Finite-Lived Intangible Assets, Gross	[1],[2]	$ 159,110		$ 159,110		178,059
Finite-Lived Intangible Assets, Accumulated Amortization	[1],[2]	(94,462)		(94,462)		(107,046)
Amortization		3,116	$ 4,123	6,244	$ 8,527
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		11,200		11,200
Finite-Lived Intangible Assets, Amortization Expense, Year Two		10,700		10,700
Finite-Lived Intangible Assets, Amortization Expense, Year Three		10,000		10,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four		9,800		9,800
Finite-Lived Intangible Assets, Amortization Expense, Year Five		8,300		8,300
Impairment of Long-Lived Assets Held-for-use						7,657
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		35,691		35,691		35,701
Unpatented technology
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		8,575		8,575		8,530
Finite-Lived Intangible Assets, Accumulated Amortization		(3,020)		(3,020)		(2,660)
Patents
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		6,879		6,879		7,770
Finite-Lived Intangible Assets, Accumulated Amortization		(6,184)		(6,184)		(6,753)
Trademarks and trade names
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		5,060		5,060		10,052
Finite-Lived Intangible Assets, Accumulated Amortization		(2,055)		(2,055)		(6,886)
Customer Relationships [Member]
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		125,363		125,363		138,223
Finite-Lived Intangible Assets, Accumulated Amortization		(82,436)		(82,436)		(90,180)
Land use rights
Schedule of Finite-lived and Indefinite-lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross		13,233		13,233		13,484
Finite-Lived Intangible Assets, Accumulated Amortization		$ (767)		$ (767)		$ (567)

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

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