Segment Information (Tables)

12 Months Ended

Jun. 30, 2016

Segment Reporting [Abstract]

Schedule of segment performance measures

	Human Health		Pharmaceutical Ingredients		Performance Chemicals		Unallocated Corporate			Consolidated Totals
2016
Net sales	$	228,035	$	161,011	$	169,478	$	-		$	558,524
Gross profit		77,880		28,752		36,153		-			142,785
Income before income taxes		36,362		11,856		17,799		(12,163	)		53,854
2015
Net sales	$	225,263	$	149,296	$	172,392	$	-		$	546,951
Gross profit		75,749		26,683		33,002		-			135,434
Income before income taxes		35,152		8,697		14,289		(4,273	)		53,865
2014
Net sales	$	160,217	$	176,425	$	173,537	$	-		$	510,179
Gross profit		48,496		36,615		29,592		-			114,703
Income before income taxes		19,710		17,557		13,273		(5,866	)		44,674

Schedule of net sales and gross profit by source country

	Net Sales						Gross Profit
	2016		2015		2014		2016		2015		2014
United States	$	400,883	$	407,101	$	355,715	$	117,180	$	111,734	$	82,573
Germany		76,666		69,889		84,024		15,154		14,660		22,614
Netherlands		16,217		14,656		14,869		1,598		1,325		1,581
France		30,177		27,976		29,412		4,043		3,634		4,182
Asia-Pacific		34,581		27,329		26,159		4,810		4,081		3,753
Total	$	558,524	$	546,951	$	510,179	$	142,785	$	135,434	$	114,703

Schedule of long-lived assets by geographic region

	Long-lived assets
	2016		2015
United States	$	152,701	$	152,886
Europe		2,504		2,544
Asia-Pacific		1,781		1,893
Total	$	156,986	$	157,323