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Property, Plant and Equipment, net	6 Months Ended
Property, Plant and Equipment, net	Jun. 30, 2015
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, net	Property, Plant and Equipment, net Depreciation expense associated with property, plant and equipment was $4.7 million and $6.4 million for the three months ended June 30, 2015 and 2014, respectively and $9.7 million and $12.8 million for the six months ended June 30, 2015 and 2014, respectively. Accumulated depreciation was $601.6 million and $644.6 million as of June 30, 2015 and December 31, 2014, respectively.