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Property, Plant, and Equipment and Assets Held for Sale - Useful Life (Details)
12 Months Ended
Dec. 31, 2017
Building and improvements | Minimum  
Property, Plant and Equipment, net  
Average useful lives 10 years
Building and improvements | Maximum  
Property, Plant and Equipment, net  
Average useful lives 40 years
Machinery and equipment | Minimum  
Property, Plant and Equipment, net  
Average useful lives 3 years
Machinery and equipment | Maximum  
Property, Plant and Equipment, net  
Average useful lives 10 years
Leaseholds improvements | Minimum  
Property, Plant and Equipment, net  
Average useful lives 3 years
Leaseholds improvements | Maximum  
Property, Plant and Equipment, net  
Average useful lives 7 years