Business Segments (Tables)

12 Months Ended

Dec. 31, 2014

Segment Disclosures [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		2014		2013		2012
Segment assets
	North America	$	340,385	$	298,305	$	279,253
	EMEA		124,273		103,414		101,532
	Asia/Pacific		170,580		144,682		116,853
	South America		30,288		37,745		38,996
	Total segment assets	$	665,526	$	584,146	$	536,634

		2014		2013		2012
Segment long-lived assets
	North America	$	92,319	$	91,464	$	91,121
	EMEA		20,634		20,863		20,056
	Asia/Pacific		24,392		24,695		19,720
	South America		3,911		4,130		5,276
	Total segment long-lived assets	$	141,256	$	141,152	$	136,173

		2014		2013		2012
Capital expenditures
	North America	$	3,658	$	2,793	$	3,262
	EMEA		4,811		1,391		3,332
	Asia/Pacific		3,202		6,386		5,451
	South America		1,381		869		690
	Total segment capital expenditures	$	13,052	$	11,439	$	12,735

		2014		2013		2012
Depreciation
	North America	$	5,231	$	5,236	$	5,635
	EMEA		3,069		3,145		2,906
	Asia/Pacific		2,713		2,080		1,720
	South America		1,060		1,211		1,333
	Total segment depreciation	$	12,073	$	11,672	$	11,594

		2014		2013		2012
Net sales
	North America	$	334,400	$	308,353	$	310,127
	EMEA		195,309		187,794		174,799
	Asia/Pacific		185,974		169,505		157,062
	South America		50,177		63,743		66,238
	Total net sales	$	765,860	$	729,395	$	708,226
		2014		2013		2012
Operating earnings, excluding indirect operating expenses
	North America	$	68,296	$	61,307	$	58,571
	EMEA		32,589		29,643		24,640
	Asia/Pacific		43,847		42,373		37,030
	South America		4,292		9,177		6,730
	Total operating earnings, excluding indirect operating expenses		149,024		142,500		126,971

Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]

	2014		2013		2012
Total operating earnings, excluding indirect operating expenses		149,024		142,500		126,971
Non-operating charges		(67,110)		(67,145)		(59,983)
Depreciation of corporate assets and amortization		(4,558)		(4,112)		(3,764)
Consolidated operating income		77,356		71,243		63,224
Other income, net		767		3,519		3,415
Interest expense		(2,371)		(2,922)		(4,283)
Interest income		2,541		986		592
Consolidated income before taxes and equity in net income of associated companies	$	78,293	$	72,826	$	62,948

Schedule of Product Information [Table Text Block]

	2014		2013		2012
Rolling lubricants	20.1	%	20.7	%	20.7	%
Machining and grinding compounds	16.3	%	17.7	%	17.6	%
Hydraulic fluids	13.0	%	12.9	%	13.5	%
Corrosion preventives	12.5	%	12.5	%	12.4	%