Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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
Currency translation adjustments		79		0		79
Balance as of March 31, 2013	$	51,167	$	8,081	$	59,248

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	$	33,371	$	32,356	$	8,684	$	8,192
	Trademarks and patents		6,778		6,760		2,732		2,548
	Formulations and product technology		5,278		5,278		3,501		3,423
	Other		5,463		5,467		4,101		3,989
	Total	$	50,890	$	49,861	$	19,018	$	18,152

Schedule of Expected Amortization Expense [Table Text Block]

For the year ended December 31, 2013	$	3,395
For the year ended December 31, 2014	$	3,164
For the year ended December 31, 2015	$	3,164
For the year ended December 31, 2016	$	2,684
For the year ended December 31, 2017	$	2,030
For the year ended December 31, 2018	$	2,014