SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Summary of Significant Accounting Pronouncements [Line Items]
Cash and cash equivalents maximum maturity period		3 months
Goodwill impairment		$ 56,989	$ 66,305
Transfer of goodwill between segments		0	0
Intangible asset impairment		4,800	25,800
Impairment charges related to the discontinuance of certain capitalized software projects	$ 6,000	4,000
Other Liabilities
VAT liabilities	1,289	4,051	1,289
Forward contracts	4,210	966	4,210
Deferred revenue	27,053	26,485	27,053
Accrued taxes	3,876	4,407	3,876
All other	30,180	27,741	30,180
Total	66,608	63,650	66,608
Other Long-Term Liabilities
Unfunded pension liability	18,067	14,060	18,067
Unrecognized tax benefit	2,283	1,627	2,283
All other	5,756	6,494	5,756
Total	$ 26,106	22,181	26,106
Advertising expense		2,500	3,900	$ 4,500
Foreign currency losses		$ 1,800	1,400	$ 1,100
Minimum
Summary of Significant Accounting Pronouncements [Line Items]
Software capitalization term		5 years
Minimum | Building
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		30 years
Minimum | Building improvements
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		5 years
Minimum | Plant equipment and machinery
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		3 years
Minimum | Office equipment and information technology
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		2 years
Minimum | Haemonetics equipment
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		3 years
Maximum
Summary of Significant Accounting Pronouncements [Line Items]
Software capitalization term		10 years
Maximum | Building
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		40 years
Maximum | Building improvements
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		20 years
Maximum | Plant equipment and machinery
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		15 years
Maximum | Office equipment and information technology
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		10 years
Maximum | Haemonetics equipment
Summary of Significant Accounting Pronouncements [Line Items]
Property, plant and equipment, useful life		7 years
SOLX Intangible Assets [Member]
Summary of Significant Accounting Pronouncements [Line Items]
Intangible asset impairment			18,700
Intangibles Assets Identified, Global Strategic Review [Member]
Summary of Significant Accounting Pronouncements [Line Items]
Intangible asset impairment			$ 7,100
One Customer [Member] | Sales [Member] | Customer Concentration Risk [Member]
Other Long-Term Liabilities
Concentration risk		14.00%	11.00%
EMEA [Member]
Summary of Significant Accounting Pronouncements [Line Items]
Goodwill impairment		$ 0	$ 66,305
Transfer of goodwill between segments		$ 20,545	(6,390)
Intangible asset impairment			$ 6,600