Segment Information (Tables)

6 Months Ended

Sep. 29, 2019

Segment Reporting [Abstract]

Summary of Segment Information

(In thousands)	Industrial		Water Treatment		Health and Nutrition		Total
Three months ended September 29, 2019:
Sales	$	68,090	$	45,868	$	26,085	$	140,043
Gross profit	10,674		12,753		4,567		27,994
Selling, general, and administrative expenses	5,895		5,134		3,788		14,817
Operating income	4,779		7,619		779		13,177
Three months ended September 30, 2018:
Sales	$	69,402	$	42,713	$	33,209	$	145,324
Gross profit	8,328		11,710		5,734		25,772
Selling, general, and administrative expenses	5,790		5,055		4,096		14,941
Operating income	2,538		6,655		1,638		10,831
Six months ended September 29, 2019:
Sales	$	143,415	$	89,120	$	54,844	$	287,379
Gross profit	21,589		24,844		10,358		56,791
Selling, general and administrative expenses	11,991		10,122		7,540		29,653
Operating income	9,598		14,722		2,818		27,138
Six months ended September 30, 2018:
Sales	$	143,420	$	83,582	$	68,122	$	295,124
Gross profit	18,771		23,147		12,311		54,229
Selling, general and administrative expenses	11,277		10,156		8,487		29,920
Operating income	7,494		12,991		3,824		24,309