SEGMENT AND ENTERPRISE-WIDE INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 27, 2025 USD ($)	Sep. 28, 2024 USD ($)	Sep. 27, 2025 USD ($) segment	Sep. 28, 2024 USD ($)	Mar. 29, 2025 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			3
Total net revenues	$ 327,315	$ 345,511	$ 648,709	$ 681,683
Operating income	58,491	51,697	112,363	91,453
Cost of goods sold	132,571	158,074	261,721	319,322
Selling, general and administrative	101,615	106,946	212,334	215,194
Research and development	14,872	14,139	31,133	28,588
Amortization of acquired intangible assets	11,182	12,264	22,574	24,735
Interest and other expense, net	(7,206)	(6,993)	(15,909)	(36)
Income before provision for income taxes	51,285	44,704	96,454	91,417
Net revenues	327,315	345,511	648,709	681,683
Depreciation and amortization	28,255	29,217	57,013	58,353
Total long-lived assets	299,017		299,017		$ 284,052
United States
Segment Reporting Information [Line Items]
Total net revenues	240,089	256,061
Net revenues			482,493	504,963
Total long-lived assets	223,664		223,664		217,212
Japan
Segment Reporting Information [Line Items]
Total net revenues	18,011	16,424
Net revenues			31,659	30,129
Total long-lived assets	1,195		1,195		1,250
Europe
Segment Reporting Information [Line Items]
Total net revenues	42,965	41,991
Net revenues			83,847	89,216
Total long-lived assets	25,292		25,292		20,024
Rest of Asia
Segment Reporting Information [Line Items]
Total net revenues	22,567	25,768
Net revenues			44,215	45,551
Total long-lived assets	30,940		30,940		28,705
Other
Segment Reporting Information [Line Items]
Total net revenues	3,683	5,267
Net revenues			6,495	11,824
Total long-lived assets	17,926		17,926		16,861
Plasma
Segment Reporting Information [Line Items]
Total net revenues	125,364	138,561	255,261	274,471
Depreciation and amortization	12,033	12,032	24,186	23,948
Total long-lived assets	204,258		204,258		189,833
Plasma | Plasma
Segment Reporting Information [Line Items]
Net revenues	125,364	138,561	255,261	274,471
Blood Center
Segment Reporting Information [Line Items]
Total net revenues	56,454	68,528	108,293	134,773
Depreciation and amortization	1,849	2,737	3,608	6,190
Total long-lived assets	39,455		39,455		40,337
Blood Center | Blood Center net revenues
Segment Reporting Information [Line Items]
Net revenues	56,454	68,528	108,293	134,773
Hospital
Segment Reporting Information [Line Items]
Total net revenues	145,497	138,422	285,155	272,439
Depreciation and amortization	14,373	14,448	29,219	28,215
Total long-lived assets	55,304		55,304		$ 53,882
Hospital | Hospital net revenues
Segment Reporting Information [Line Items]
Net revenues	145,497	138,422	285,155	272,439
Apheresis | Blood Center net revenues
Segment Reporting Information [Line Items]
Net revenues	56,065	54,332	107,887	103,426
Whole Blood | Blood Center net revenues
Segment Reporting Information [Line Items]
Net revenues	389	14,196	406	31,347
Interventional Technologies | Hospital net revenues
Segment Reporting Information [Line Items]
Net revenues	59,073	61,923	117,556	124,967
Blood Management Technologies | Hospital net revenues
Segment Reporting Information [Line Items]
Net revenues	86,424	76,499	167,599	147,472
Operating Segments | Plasma
Segment Reporting Information [Line Items]
Operating income	42,591	44,426	90,876	86,149
Cost of goods sold	53,019	65,726	102,936	131,064
Selling, general and administrative	24,761	25,262	50,959	50,392
Research and development	4,993	3,147	10,490	6,866
Operating Segments | Blood Center
Segment Reporting Information [Line Items]
Operating income	14,825	15,802	25,715	28,581
Cost of goods sold	26,948	36,311	52,896	72,491
Selling, general and administrative	13,504	15,202	27,186	30,804
Research and development	1,177	1,213	2,496	2,897
Operating Segments | Hospital
Segment Reporting Information [Line Items]
Operating income	29,861	23,277	48,238	39,796
Cost of goods sold	49,318	47,706	99,534	96,391
Selling, general and administrative	57,966	58,806	120,289	119,996
Research and development	8,352	8,633	17,094	16,256
Corporate
Segment Reporting Information [Line Items]
Operating income	58,491	51,697	112,363	91,453
Amortization of acquired intangible assets	13,237	16,003	27,065	33,713
Acquisition, integration and divestiture related costs	(1,520)	(882)	(4,202)	(13,205)
Restructuring and restructuring related costs	258	6,363	1,582	13,503
Digital transformation costs	5,054	4,858	10,409	11,203
Other	$ (8,717)	$ (3,702)	$ (9,208)	$ 8,551