RESTRUCTURING (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2023	Apr. 02, 2022	Apr. 03, 2021
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 2,805	$ 1,012	$ 2,648
Cost Incurred	657	4,230	1,444
Payments	(1,312)	(2,437)	(3,080)
Ending Balance	2,150	2,805	1,012
Restructuring related costs	10,892	24,594	14,217
Total restructuring and restructuring related costs	11,549	28,824	15,661
Plasma products and services
Restructuring Reserve [Roll Forward]
Cost Incurred	(48)	2,492	454
Restructuring related costs	1,385	7,906	1,870
Blood Center products and services
Restructuring Reserve [Roll Forward]
Cost Incurred	0	(18)	201
Restructuring related costs	75	556	1,599
Hospital products and services
Restructuring Reserve [Roll Forward]
Cost Incurred	165	(93)	322
Restructuring related costs	546	379	14
All Other
Restructuring Reserve [Roll Forward]
Cost Incurred	540	1,849	467
Restructuring related costs	8,886	15,753	10,734
2020 Program
Restructuring Reserve [Roll Forward]
Beginning Balance	2,460	575	1,136
Cost Incurred	576	4,202	1,501
Payments	(1,226)	(2,317)	(2,062)
Ending Balance	1,810	2,460	575
Prior Programs
Restructuring Reserve [Roll Forward]
Beginning Balance	345	437	1,512
Cost Incurred	81	28	(57)
Payments	(86)	(120)	(1,018)
Ending Balance	340	345	437
Cost of Goods Sold
Restructuring Reserve [Roll Forward]
Cost Incurred	(215)	2,236	390
Restructuring related costs	7,991	17,832	9,318
Research and development
Restructuring Reserve [Roll Forward]
Cost Incurred	0	105	142
Restructuring related costs	1,050	714	1,026
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Cost Incurred	872	1,889	912
Restructuring related costs	$ 1,851	$ 6,048	$ 3,873