RESTRUCTURING (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ (33)	$ 151	$ (325)	$ 1,207
Turnaround costs	2,151	5,636	5,792	7,063
Total restructuring and turnaround costs	2,118	5,787	5,467	8,270
Japan
Restructuring Cost and Reserve [Line Items]
Restructuring costs	91	2	102	111
Turnaround costs	0	0	0	0
EMEA
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(5)	15	119	25
Turnaround costs	0	20	28	26
North America Plasma
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0	0	(40)	0
Turnaround costs	31	197	41	349
All Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(119)	134	(506)	1,071
Turnaround costs	$ 2,120	$ 5,419	$ 5,723	$ 6,688