SEGMENT AND ENTERPRISE-WIDE INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 01, 2022 USD ($)	Oct. 02, 2021 USD ($)	Oct. 01, 2022 USD ($) segment	Oct. 02, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			3
Net revenues before foreign exchange impact	$ 297,102	$ 233,165	$ 555,901	$ 454,311
Effect of exchange rates	(5,026)	1,781	(7,504)	3,895
Net revenues	297,485	239,897	558,943	468,425
Operating (loss) income	46,732	24,510	77,499	25,900
Effect of exchange rates	(51)	3,934	6,194	9,746
Amortization	8,221	11,400	16,588	23,779
Restructuring and turnaround costs	(3,194)	(4,513)	(6,672)	(14,568)
Impairment of assets and PCS2 related charges	(83)	(250)	267	(3,893)
Integration and transaction costs	(46)	(625)	712	(17,358)
MDR and IVDR costs	(2,506)	(2,347)	(5,692)	(4,718)
Litigation-related charges	(198)	(145)	(394)	(1,083)
Gain on sale of assets	382	0	382	9,603
United States
Segment Reporting Information [Line Items]
Net revenues	211,724	152,106	393,720	293,134
Japan
Segment Reporting Information [Line Items]
Net revenues	15,129	18,812	29,007	36,033
Europe
Segment Reporting Information [Line Items]
Net revenues	41,850	41,180	82,307	84,515
Asia
Segment Reporting Information [Line Items]
Net revenues	27,861	26,771	52,285	52,723
Other
Segment Reporting Information [Line Items]
Net revenues	921	1,028	1,624	2,020
Service
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	5,409	4,951	10,546	10,219
Plasma products and services
Segment Reporting Information [Line Items]
Net revenues	143,161	102,075	261,513	192,584
Blood Center products and services
Segment Reporting Information [Line Items]
Net revenues	61,895	59,931	114,813	117,678
Hospital products and services
Segment Reporting Information [Line Items]
Net revenues	92,429	77,891	182,617	158,163
Plasma
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	128,888	82,004	231,930	153,807
Blood Center
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	75,652	75,259	142,225	146,995
Hospital
Segment Reporting Information [Line Items]
Net revenues before foreign exchange impact	92,562	75,902	181,746	153,509
Operating Segments
Segment Reporting Information [Line Items]
Operating (loss) income	147,418	108,042	267,643	208,867
Operating Segments | Plasma
Segment Reporting Information [Line Items]
Operating (loss) income	71,607	42,213	126,733	77,559
Operating Segments | Blood Center
Segment Reporting Information [Line Items]
Operating (loss) income	37,328	34,600	67,705	68,482
Operating Segments | Hospital
Segment Reporting Information [Line Items]
Operating (loss) income	38,483	31,229	73,205	62,826
Corporate
Segment Reporting Information [Line Items]
Operating (loss) income	$ 86,769	$ 68,186	$ 168,353	$ 136,917