Acquisitions (Tables)

6 Months Ended

Jun. 30, 2015

Acquisitions [Abstract]

Business Acquisition, Pro Forma Information [Table Text Block]

		Three months ended				Six months ended
		June 30,				June 30,
		2015		2014		2015		2014
Net sales	$	171,419	$	214,728	$	325,399	$	374,845
Gross profit		37,089		45,623		72,214		85,149
Net income		5,362		10,600		9,693		18,134
Diluted earnings per share
As Reported	$	0.52	$	0.67	$	0.93	$	1.02
Pro forma	$	0.52	$	1.03	$	0.93	$	1.76

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Allocation of Purchase Price		March 13, 2015 - IOS		January 13, 2015 - Tew		December 30, 2014 - Chemtec		October 29, 2014 - FWO		July 7, 2014 - Carr
Current assets	$	19,877	$	12,125	$	15,528	$	131	$	3,180
Other assets		708		-		-		-		45
Property, plant, and equipment		51,453		2,398		4,705		-		7,648
Goodwill		70,676		8,772		22,302		971		1,936
Other intangibles		50,354		14,048		33,130		419		1,348
Liabilities assumed		(24,364)		(6,465)		(6,756)		(418)		(1,677)
Total	$	168,704	$	30,878	$	68,909	$	1,103	$	12,480

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

Intangible Asset		March 13, 2015 - IOS		January 13, 2015 - Tew		December 30, 2014 - Chemtec		October 29, 2014 - FWO		July 7, 2014 - Carr
Trade name	$	2,641	$	870	$	3,149	$	-	$	613
Customer relationships		41,171		10,035		23,934		34		524
Technology		4,364		2,480		4,930		341		87
Non-competition agreements		2,178		663		1,117		44		124
Total identified intangible assets	$	50,354	$	14,048	$	33,130	$	419	$	1,348