Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	Metalworking
	Process
	Chemicals		Coatings		Total
Balance as of December 31, 2012	$	51,088	$	8,081	$	59,169
Goodwill additions		277		0		277
Currency translation adjustments		(1,112)		0		(1,112)
Balance as of June 30, 2013	$	50,253	$	8,081	$	58,334

Schedule Of Finite Lived Intangible Assets [Table Text Block]

		Gross Carrying				Accumulated
		Amount				Amortization
		2013		2012		2013		2012
Amortized intangible assets
	Customer lists and rights to sell	$	33,489	$	32,356	$	9,198	$	8,192
	Trademarks and patents		6,736		6,760		2,870		2,548
	Formulations and product technology		5,808		5,278		3,580		3,423
	Other		5,535		5,467		4,214		3,989
	Total	$	51,568	$	49,861	$	19,862	$	18,152

Schedule of Expected Amortization Expense [Table Text Block]

For the year ended December 31, 2013	$	3,448
For the year ended December 31, 2014	$	3,257
For the year ended December 31, 2015	$	3,257
For the year ended December 31, 2016	$	2,776
For the year ended December 31, 2017	$	2,111
For the year ended December 31, 2018	$	2,088