Financial Statement Information Schedule of Estimated Useful Lives (Details)	6 Months Ended
	Jun. 30, 2018
Land improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Land improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	20 years
Machinery and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	20 years
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Furniture and Fixtures [Member] | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Furniture and Fixtures [Member] | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	7 years