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PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($)	Jun. 29, 2019	Dec. 28, 2019	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Total			$ 832,434,000	$ 933,222,000
Less: accumulated depreciation and amortization			(579,035,000)	(589,243,000)
Property, plant and equipment, net			253,399,000	343,979,000
Depreciation expense			76,600,000	76,800,000	$ 57,700,000
Impairment charges	$ 48,700,000		50,600,000	21,200,000	2,200,000
Proceeds from sale of property, plant and equipment			16,774,000	2,813,000	2,758,000
Asset Impairments
Property, Plant and Equipment [Line Items]
Depreciation expense			500,000	0	$ 300,000
Movement of Headquarters [Member]
Property, Plant and Equipment [Line Items]
Impairment charges			1,900,000
Leaseholds and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment		$ 7,800,000
Proceeds from sale of property, plant and equipment		15,000,000.0
Sale and Leaseback Transaction, Gain (Loss), Net		900,000
Gain (Loss) on Disposition of Assets		8,100,000
Office Space [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net		$ 5,600,000
Land
Property, Plant and Equipment [Line Items]
Total			4,779,000	7,337,000
Building and building improvements
Property, Plant and Equipment [Line Items]
Total			101,296,000	118,821,000
Plant equipment and machinery
Property, Plant and Equipment [Line Items]
Total			242,286,000	301,297,000
Office equipment and information technology
Property, Plant and Equipment [Line Items]
Total			113,600,000	132,783,000
Haemonetics equipment
Property, Plant and Equipment [Line Items]
Total			370,473,000	372,984,000
Equipment
Property, Plant and Equipment [Line Items]
Impairment charges				19,800,000
Other Capitalized Property Plant and Equipment
Property, Plant and Equipment [Line Items]
Impairment charges				1,400,000
Other Machinery and Equipment
Property, Plant and Equipment [Line Items]
Depreciation expense			$ 18,100,000	$ 18,000,000.0