RESTRUCTURING (Schedule of Restructuring and Related Costs) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 29, 2019	Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 969	$ (292)
Turnaround costs	1,058	3,641
Total restructuring and turnaround costs	2,027	3,349
Blood Center
Restructuring Cost and Reserve [Line Items]
Restructuring costs	42	(32)
Turnaround costs	0	0
Hospital
Restructuring Cost and Reserve [Line Items]
Restructuring costs	203	6
Turnaround costs	0	(71)
Plasma
Restructuring Cost and Reserve [Line Items]
Restructuring costs	153	(39)
Turnaround costs	48	12
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring costs	571	(227)
Turnaround costs	$ 1,010	$ 3,700