RESTRUCTURING (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 3,420	$ 1,065
Restructuring related costs	6,635	2,935
Total restructuring and restructuring related costs	10,055	4,000
Blood Center
Restructuring Cost and Reserve [Line Items]
Restructuring costs	3	154
Restructuring related costs	490	16
Hospital
Restructuring Cost and Reserve [Line Items]
Restructuring costs	(38)	129
Restructuring related costs	133	9
Plasma
Restructuring Cost and Reserve [Line Items]
Restructuring costs	2,288	568
Restructuring related costs	1,738	0
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,167	214
Restructuring related costs	4,274	2,910
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,062	243
Research and development
Restructuring Cost and Reserve [Line Items]
Restructuring costs	105	319
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 2,253	$ 503