Segments - Product Lines (Details) - Sales Revenue Net [Member]	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Rolling Lubricants Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk Percentage	17.80%	19.00%	18.60%
Machining And Grinding Compounds Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk Percentage	15.80%	14.90%	15.30%
Hydraulic Fluids Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk Percentage	11.60%	12.00%	12.60%
Corrosion Preventives Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk Percentage	11.40%	11.80%	12.00%
Specialty Greases [Member]
Segment Reporting Information [Line Items]
Concentration Risk Percentage	10.00%	10.10%	8.50%