SEGMENT AND ENTERPRISE-WIDE INFORMATION (Details) $ in Thousands	3 Months Ended
	Jun. 27, 2020 USD ($) segment	Jun. 29, 2019 USD ($)
Segment Reporting [Abstract]
Number of business units | segment	3
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	$ 193,600	$ 235,946
Effect of exchange rates	(3,105)	(2,361)
Net revenues	195,577	238,451
Operating (loss) income	11,715	(13,302)
Effect of exchange rates	711	2,769
Impairment of assets and related costs	(964)	(51,166)
Amortization	8,263	5,974
PCS2 accelerated depreciation and related costs	(1,542)	(5,528)
Restructuring and turnaround costs	(4,000)	(2,027)
European Medical Device Regulation costs and other	(753)
Other	(1,290)	(33)
United States
Segment Reporting Information [Line Items]
Net revenues	111,009	156,375
Japan
Segment Reporting Information [Line Items]
Net revenues	16,831	15,467
Europe
Segment Reporting Information [Line Items]
Net revenues	43,019	36,753
Asia
Segment Reporting Information [Line Items]
Net revenues	22,384	28,641
Other
Segment Reporting Information [Line Items]
Net revenues	2,334	1,215
Service
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	5,082	4,866
Plasma products and services
Segment Reporting Information [Line Items]
Net revenues	88,713	129,745
Blood Center products and services
Segment Reporting Information [Line Items]
Net revenues	60,667	59,907
Hospital products and services
Segment Reporting Information [Line Items]
Net revenues	46,197	48,799
Plasma
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	68,715	110,763
Blood Center
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	79,314	77,996
Hospital
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	45,571	47,187
Operating Segments
Segment Reporting Information [Line Items]
Operating (loss) income	92,878	110,360
Operating Segments | Plasma
Segment Reporting Information [Line Items]
Operating (loss) income	36,350	53,725
Operating Segments | Blood Center
Segment Reporting Information [Line Items]
Operating (loss) income	38,745	37,719
Operating Segments | Hospital
Segment Reporting Information [Line Items]
Operating (loss) income	17,783	18,916
Corporate
Segment Reporting Information [Line Items]
Corporate expenses	$ (65,062)	$ (61,703)