Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

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, 2015		$	42,443	$	19,280	$	15,244	$	2,144	$	79,111
	Goodwill additions (reductions)		98		(114)		—		—		(16)
	Currency translation adjustments		(93)		90		(208)		440		229
Balance as of June 30, 2016		$	42,448	$	19,256	$	15,036	$	2,584	$	79,324

Schedule Of Finite Lived Intangible Assets [Table Text Block]

	Gross Carrying				Accumulated
	Amount				Amortization
	2016		2015		2016		2015
Customer lists and rights to sell	$	68,553	$	67,435	$	18,036	$	15,806
Trademarks and patents		23,801		23,147		6,528		5,538
Formulations and product technology		5,808		5,808		4,175		4,082
Other		5,989		5,788		4,982		4,565
Total definite-lived intangible assets	$	104,151	$	102,178	$	33,721	$	29,991

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

For the year ended December 31, 2016	$	6,999
For the year ended December 31, 2017		6,672
For the year ended December 31, 2018		6,451
For the year ended December 31, 2019		6,349
For the year ended December 31, 2020		6,071
For the year ended December 31, 2021		5,691