Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

		North						South
		America		EMEA		Asia/Pacific		America		Total
Balance as of December 31, 2017		$	47,571	$	20,504	$	15,456	$	2,503	$	86,034
	Currency translation adjustments		(166)		(837)		(418)		(383)		(1,804)
Balance as of June 30, 2018		$	47,405	$	19,667	$	15,038	$	2,120	$	84,230

Schedule Of Finite Lived Intangible Assets [Table Text Block]

	Gross Carrying				Accumulated
	Amount				Amortization
	2018		2017		2018		2017
Customer lists and rights to sell	$	75,351	$	76,581	$	27,414	$	25,394
Trademarks, formulations and product technology		33,538		33,025		15,359		14,309
Other		5,990		6,114		5,556		5,514
Total definite-lived intangible assets	$	114,879	$	115,720	$	48,329	$	45,217

Schedule of Finite Lived Intangible Assets Future Amortization Expense [TableText Block]

For the year ended December 31, 2018	$	7,416
For the year ended December 31, 2019		7,212
For the year ended December 31, 2020		6,928
For the year ended December 31, 2021		6,564
For the year ended December 31, 2022		6,406
For the year ended December 31, 2023		6,184