Net Sales and Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Disaggregation Of Revenue [Abstract]

Disaggregation Of Revenue [Table Text Block]

	2019		2018		2017
Rolling lubricants	21.9	%	25.5	%	26.7	%
Metal removal fluids	19.9	%	15.4	%	15.1	%
Hydraulic fluids	13.0	%	13.0	%	13.7	%

	Net sales for the year ending December 31, 2019
							Consolidated
	Americas		EMEA		Asia/Pacific		Total
Customer Industries
Metals	$	171,784	$	100,605	$	141,870	$	414,259
Metalworking and other		220,337		184,965		105,969		511,271
		392,121		285,570		247,839		925,530
Global Specialty Businesses		149,428		30,115		28,430		207,973
	$	541,549	$	315,685	$	276,269	$	1,133,503
Timing of Revenue Recognized
Product sales at a point in time	$	525,802	$	310,274	$	269,228	$	1,105,304
Services transferred over time		15,747		5,411		7,041		28,199
	$	541,549	$	315,685	$	276,269	$	1,133,503

	Net sales for the year ending December 31, 2018
							Consolidated
	Americas		EMEA		Asia/Pacific		Total
Customer Industries
Metals	$	164,263	$	101,028	$	120,627	$	385,918
Metalworking and other		133,338		115,956		71,875		321,169
		297,601		216,984		192,502		707,087
Global Specialty Businesses		122,165		16,613		21,655		160,433
	$	419,766	$	233,597	$	214,157	$	867,520
Timing of Revenue Recognized
Product sales at a point in time	$	408,402	$	233,372	$	206,112	$	847,886
Services transferred over time		11,364		225		8,045		19,634
	$	419,766	$	233,597	$	214,157	$	867,520