Segment Information (Tables)

3 Months Ended

Jul. 02, 2017

Segment Reporting [Abstract]

Summary of Segment Information

(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Three months ended July 2, 2017:
Sales	$	64,027	$	38,224	$	31,480	$	133,731
Gross profit	8,973		11,203		5,823		25,999
Selling, general, and administrative expenses	5,756		5,257		4,753		15,766
Operating income	3,217		5,946		1,070		10,233
Three months ended July 3, 2016:
Sales	$	63,788	$	35,636	$	31,950	$	131,374
Gross profit	10,422		10,629		7,165		28,216
Selling, general, and administrative expenses	5,395		5,064		4,667		15,126
Operating income (loss)	5,027		5,565		2,498		13,090