Property, Plant and Equipment Summary of Impairment charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges	$ 1,273	$ 13,630	$ 24,573
Asia Pacific [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges	1,273	0	0
Europe [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges	0	2,285	6,107
South America [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges	0	11,345	0
North America [Member]
Impaired Long-Lived Assets Held and Used [Line Items]
Tangible Asset Impairment Charges	$ 0	$ 0	$ 18,466