GOODWILL AND INTANGIBLE ASSETS Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Goodwill [Roll Forward]
Goodwill, carrying amount	$ 467,287	$ 466,444
Currency translation	(1,056)	(1,227)
Purchase accounting adjustments		2,070
Goodwill, carrying amount	466,231	467,287
Finite-Lived Intangible Assets, Gross	672,720	667,603
Intangible assets, accumulated amortization	417,422	376,552
Finite-Lived Intangible Assets, Net	255,298	291,051
Non-amortizable intangibles	20,473	19,210
Plasma products and services
Goodwill [Roll Forward]
Goodwill, carrying amount	29,043	29,043
Currency translation	0	0
Purchase accounting adjustments		0
Goodwill, carrying amount	29,043	29,043
Blood Center products and services
Goodwill [Roll Forward]
Goodwill, carrying amount	34,166	34,528
Currency translation	(311)	(362)
Purchase accounting adjustments		0
Goodwill, carrying amount	33,855	34,166
Hospital products and services
Goodwill [Roll Forward]
Goodwill, carrying amount	404,078	402,873
Currency translation	(745)	(865)
Purchase accounting adjustments		2,070
Goodwill, carrying amount	$ 403,333	$ 404,078