Business Segments (Tables)

12 Months Ended

Dec. 31, 2013

Segment Disclosures [Abstract]

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

		2013		2012		2011
Segment assets
	North America	$	304,069	$	284,362	$	289,761
	EMEA		104,774		102,159		88,494
	Asia/Pacific		129,894		101,760		81,086
	South America		45,409		48,353		51,811
	Total segment assets	$	584,146	$	536,634	$	511,152

		2013		2012		2011
Segment long-lived assets
	North America	$	91,464	$	91,121	$	90,800
	EMEA		20,863		20,056		19,243
	Asia/Pacific		24,695		19,720		15,225
	South America		4,130		5,276		6,577
	Total segment long-lived assets	$	141,152	$	136,173	$	131,845

		2013		2012		2011
Capital expenditures
	North America	$	2,793	$	3,262	$	5,185
	EMEA		1,391		3,332		2,442
	Asia/Pacific		6,386		5,451		2,614
	South America		869		690		1,876
	Total segment capital expenditures	$	11,439	$	12,735	$	12,117
		2013		2012		2011
Depreciation
	North America	$	5,236	$	5,635	$	4,739
	EMEA		3,145		2,906		2,922
	Asia/Pacific		2,080		1,720		1,774
	South America		1,211		1,333		1,454
	Total segment depreciation	$	11,672	$	11,594	$	10,889

		2013		2012		2011
Net sales
	North America	$	308,353	$	310,127	$	268,519
	EMEA		187,794		174,799		184,063
	Asia/Pacific		169,505		157,062		151,468
	South America		63,743		66,238		79,181
	Total net sales	$	729,395	$	708,226	$	683,231
		2013		2012		2011
Operating earnings, excluding indirect operating expenses
	North America	$	61,307	$	58,571	$	48,342
	EMEA		29,643		24,640		32,145
	Asia/Pacific		42,373		37,030		32,145
	South America		9,177		6,730		11,642
	Total operating earnings, excluding indirect operating expenses		142,500		126,971		124,274

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

	2013		2012		2011
Total operating earnings, excluding indirect operating expenses		142,500		126,971		124,274
Non-operating charges		(67,145)		(59,983)		(58,689)
Depreciation of corporate assets and amortization		(4,112)		(3,764)		(2,904)
Consolidated operating income		71,243		63,224		62,681
Other income, net		3,519		3,415		5,050
Interest expense		(2,922)		(4,283)		(4,666)
Interest income		986		592		1,081
Consolidated income before taxes and equity in net income of associated companies	$	72,826	$	62,948	$	64,146

Schedule of Product Information [Table Text Block]

	2013		2012		2011
Rolling Lubricants	20.7	%	20.7	%	22.0	%
Machining and grinding compounds	17.7	%	17.6	%	18.8	%
Hydraulic fluids	12.9	%	13.5	%	12.9	%
Corrosion preventives	12.5	%	12.4	%	11.5	%