Estimated Useful Lives by Asset Category (Details)	12 Months Ended
	Dec. 31, 2017
Land Improvements | Minimum
Property, Plant and Equipment, Useful Life	15 years
Land Improvements | Maximum
Property, Plant and Equipment, Useful Life	25 years
Building Improvements | Minimum
Property, Plant and Equipment, Useful Life	10 years
Building Improvements | Maximum
Property, Plant and Equipment, Useful Life	35 years
Machinery and Equipment | Minimum
Property, Plant and Equipment, Useful Life	7 years
Machinery and Equipment | Maximum
Property, Plant and Equipment, Useful Life	15 years
Software and Software Development Costs | Minimum
Property, Plant and Equipment, Useful Life	3 years
Software and Software Development Costs | Maximum
Property, Plant and Equipment, Useful Life	5 years
Other Capitalized Property Plant and Equipment | Minimum
Property, Plant and Equipment, Useful Life	3 years
Other Capitalized Property Plant and Equipment | Maximum
Property, Plant and Equipment, Useful Life	15 years