Product and Geographic Information (Tables)

6 Months Ended

Sep. 30, 2017

Product ang Geographic Information Reporting [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

	Fiscal quarter ended				Two fiscal quarters ended
(In thousands)	Sep 30, 2017		Oct 1, 2016		Sep 30, 2017		Oct 1, 2016
Printed Circuit Board	$	43,541	$	13,527	$	95,859	$	44,445
Component Test	7,677		4,990		15,858		9,592
Semiconductor	12,028		7,222		18,765		14,831
Industrial Machining	7,721		3,919		13,169		8,458
Net Sales	$	70,967	$	29,658	$	143,651	$	77,326

Revenue from External Customers by Geographic Areas [Table Text Block]

Net sales by geographic area, based on the location of the end user, were as follows:

	Fiscal quarter ended				Two fiscal quarters ended
(In thousands)	Sep 30, 2017		Oct 1, 2016		Sep 30, 2017		Oct 1, 2016
Asia	$	64,053	$	25,721	$	130,616	$	66,169
Americas	2,936		2,236		7,106		5,254
Europe	3,978		1,701		5,929		5,903
Net Sales	$	70,967	$	29,658	$	143,651	$	77,326