Segments - Product Lines (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Rolling Lubricants Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	20.10%	20.70%	20.70%
Machining And Grinding Compounds Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	16.30%	17.70%	17.60%
Hydraulic Fluids Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	13.00%	12.90%	13.50%
Corrosion Preventives Product Line [Member]
Segment Reporting Information [Line Items]
Concentration Risk, Percentage	12.50%	12.50%	12.40%