Goodwill and Other Intangible Assets (Tables)

12 Months Ended

May. 31, 2015

The following table summarizes goodwill by reportable segment:


(in thousands)	Food Safety		Animal Safety			Total
Balance, May 31, 2013	$	16,696	$	42,795		$	59,491
Goodwill acquired and/or adjusted		0		8,699			8,699

Balance, May 31, 2014		16,696		51,494			68,190
Goodwill acquired and/or adjusted		2,110		(181	)		1,929

Balance, May 31, 2015	$	18,806	$	51,313		$	70,119

Amortizable of Intangible Assets

Amortizable intangible assets consisted of the following and are included in customer based intangible and other noncurrent assets within the consolidated balance sheets:


(in thousands)	Gross Carrying Amount		Less Accumulated Amortization		Net Carrying Amount
Licenses	$	4,919	$	1,630	$	3,289
Covenants not to compete		428		124		304
Patents		7,701		3,087		4,614
Customer relationship intangibles		38,616		14,446		24,170
Other product and service related intangibles		6,233		1,236		4,997

Balance, May 31, 2015	$	57,897	$	20,523	$	37,374

Licenses	$	6,701	$	1,873	$	4,828
Covenants not to compete		474		256		218
Patents		5,990		2,746		3,244
Customer relationship intangibles		37,145		11,915		25,230
Other product and service-related intangibles		3,833		619		3,214

Balance, May 31, 2014	$	54,143	$	17,409	$	36,734