RESTRUCTURING (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 86	$ 165	$ 75	$ 121
Restructuring related costs	1,947	3,029	4,151	6,551
Total restructuring and restructuring related costs	2,033	3,194		6,672
2020 Program
Restructuring Cost and Reserve [Line Items]
Restructuring costs			57
Total restructuring and restructuring related costs	2,000		4,200	6,600
Plasma
Restructuring Cost and Reserve [Line Items]
Restructuring costs	59	0	(197)	(211)
Restructuring related costs	74	108	243	748
Blood Center
Restructuring Cost and Reserve [Line Items]
Restructuring related costs	28	16	73	18
Hospital
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0	0	242	0
Restructuring related costs	98	111	147	200
Corporate Segment
Restructuring Cost and Reserve [Line Items]
Restructuring costs	27	165	30	332
Restructuring related costs	1,747	2,794	3,688	5,585
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring costs	58	29	264	(177)
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 28	$ 136	$ (189)	$ 298