SEGMENT AND ENTERPRISE-WIDE INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	$ 221,146	$ 193,600
Effect of exchange rates	2,114	(3,105)
Net revenues	228,528	195,577
Operating (loss) income	1,390	11,715
Effect of exchange rates	5,812	711
Amortization	12,379	8,263
Restructuring and turnaround costs	(10,055)	(4,000)
Integration and transaction costs	(16,733)	(1,290)
PCS2 accelerated depreciation and related costs	(3,643)	(2,506)
European Medical Device Regulation costs and other	(2,371)	(753)
Litigation-related charges	(938)	0
Gain on sale of assets	9,603	0
United States
Segment Reporting Information [Line Items]
Net revenues	141,028	111,009
Japan
Segment Reporting Information [Line Items]
Net revenues	17,221	16,831
Europe
Segment Reporting Information [Line Items]
Net revenues	43,335	43,019
Asia
Segment Reporting Information [Line Items]
Net revenues	25,952	22,384
Other
Segment Reporting Information [Line Items]
Net revenues	992	2,334
Service
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	5,268	5,082
Plasma products and services
Segment Reporting Information [Line Items]
Net revenues	90,509	88,713
Blood Center products and services
Segment Reporting Information [Line Items]
Net revenues	57,747	60,667
Hospital products and services
Segment Reporting Information [Line Items]
Net revenues	80,272	46,197
Plasma
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	71,803	68,715
Blood Center
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	71,736	79,314
Hospital
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	77,607	45,571
Operating Segments
Segment Reporting Information [Line Items]
Operating (loss) income	100,825	92,878
Operating Segments | Plasma
Segment Reporting Information [Line Items]
Operating (loss) income	35,346	36,350
Operating Segments | Blood Center
Segment Reporting Information [Line Items]
Operating (loss) income	33,882	38,745
Operating Segments | Hospital
Segment Reporting Information [Line Items]
Operating (loss) income	31,597	17,783
Corporate
Segment Reporting Information [Line Items]
Corporate expenses	$ (68,731)	$ (65,062)