SEGMENT AND ENTERPRISE-WIDE INFORMATION (Details) $ in Thousands	12 Months Ended
	Apr. 02, 2022 USD ($) unit	Apr. 03, 2021 USD ($)	Mar. 28, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of business units | unit	3
Net revenues by business unit	$ 968,066	$ 851,310	$ 980,902
Effect of exchange rates	4,319	(1,605)	(12,253)
Net revenues	993,196	870,463	988,479
Operating Income (Loss)	80,750	89,747	103,351
Effect of exchange rates	18,993	12,830	7,920
Amortization of intangible assets	47,414	32,830	25,746
Restructuring and Related Cost, Accelerated Depreciation	(5,732)	(25,696)	(75,750)
OperatingExpensesTransactionCosts	21,604	18,421	568
European Medical Device Regulation Costs	11,033	4,130	1,506
Gains on divestitures and sale of assets	(1,368)	(897)	701
Integration and transaction costs	9,603	32,812	8,083
Gains on divestitures and sale of assets	(28,824)	(15,661)	(19,878)
Depreciation and amortization	97,747	84,287	110,289
Total long-lived assets	258,482	217,559
Service [Member]
Segment Reporting Information [Line Items]
Net revenues	20,811	20,758	19,830
Plasma products and services
Segment Reporting Information [Line Items]
Net revenues	427,611	414,266	537,231
Blood Center products and services
Segment Reporting Information [Line Items]
Net revenues	236,158	239,614	252,829
Hospital products and services
Segment Reporting Information [Line Items]
Net revenues	329,427	216,583	198,419
United States
Segment Reporting Information [Line Items]
Net revenues	639,322	522,607	646,204
Total long-lived assets	200,927	159,749
Japan
Segment Reporting Information [Line Items]
Net revenues	75,562	77,676	72,218
Total long-lived assets	1,096	1,515
Europe
Segment Reporting Information [Line Items]
Net revenues	163,520	159,077	153,347
Total long-lived assets	11,989	10,384
Asia
Segment Reporting Information [Line Items]
Net revenues	110,802	105,820	109,295
Total long-lived assets	28,132	30,588
Other
Segment Reporting Information [Line Items]
Net revenues	3,990	5,283	7,415
Total long-lived assets	16,338	15,323
Plasma products and services
Segment Reporting Information [Line Items]
Net revenues by business unit	351,945	333,334	460,637
Depreciation and amortization	28,314	24,093	63,347
Total long-lived assets	129,241	105,599
Blood Center products and services
Segment Reporting Information [Line Items]
Net revenues by business unit	294,541	307,370	325,661
Depreciation and amortization	32,489	39,672	38,429
Total long-lived assets	82,714	83,225
Hospital products and services
Segment Reporting Information [Line Items]
Net revenues by business unit	321,580	210,606	194,604
Depreciation and amortization	36,944	20,522	8,513
Total long-lived assets	46,527	28,735
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	449,605	398,491	465,822
Operating Segments [Member] | Plasma products and services
Segment Reporting Information [Line Items]
Operating Income (Loss)	183,131	172,463	225,351
Operating Segments [Member] | Blood Center products and services
Segment Reporting Information [Line Items]
Operating Income (Loss)	136,691	141,962	159,802
Operating Segments [Member] | Hospital products and services
Segment Reporting Information [Line Items]
Operating Income (Loss)	129,783	84,066	80,669
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ 281,476	$ 256,751	$ 255,727