RESTRUCTURING (Schedule of Restructuring Reserve by Type of Cost) (Details) - USD ($) $ in Thousands	12 Months Ended			24 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 7,479	$ 28,535	$ 7,468	$ 7,468
Cost Incurred	3,591	395	30,529
Payments	(8,275)	(21,392)	(8,260)
Non-cash adjustments	(147)	(59)	(1,202)
Ending Balance	2,648	7,479	28,535	7,479
Restructuring costs	3,591	395	30,529
Turnaround costs	16,287	13,228	13,596
Total restructuring and turnaround	19,878	13,623	44,125
Plasma
Restructuring Reserve [Roll Forward]
Cost Incurred	544	(67)	3,649
Turnaround costs	820	174	973
Blood Center
Restructuring Reserve [Roll Forward]
Cost Incurred	(5)	164	3,838
Turnaround costs	320	145	35
North America Plasma
Restructuring Reserve [Roll Forward]
Cost Incurred	845	828	3,853
Turnaround costs	0	(270)	(30)
All Other
Restructuring Reserve [Roll Forward]
Cost Incurred	2,207	(530)	19,189
Turnaround costs	15,147	13,179	12,618
2018 Program [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0	0	0	0
Cost Incurred	2,234	0	0
Payments	(1,098)	0	0
Non-cash adjustments	0	0	0
Ending Balance	1,136	0	0	0
Total restructuring and turnaround	7,900	13,700	36,600	58,200
2017 Program [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	7,479	28,535	7,468	7,468
Cost Incurred	1,357	395	30,529
Payments	(7,177)	(21,392)	(8,260)
Non-cash adjustments	(147)	(59)	(1,202)
Ending Balance	1,512	7,479	28,535	$ 7,479
Total restructuring and turnaround			7,200
Cost of Goods Sold
Restructuring Reserve [Roll Forward]
Restructuring costs	1,082	0	1
Turnaround costs	2,227	1,305	716
Research and development
Restructuring Reserve [Roll Forward]
Restructuring costs	532	741	4,671
Turnaround costs	354	0	4
Selling, general and administrative expenses
Restructuring Reserve [Roll Forward]
Restructuring costs	1,977	(346)	25,857
Turnaround costs	$ 13,706	$ 11,923	$ 12,876