SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions	12 Months Ended
	Apr. 03, 2021 USD ($) Customer	Mar. 28, 2020 USD ($) Customer	Mar. 30, 2019 USD ($) Customer	Mar. 31, 2019 Customer	Jul. 02, 2018	May 31, 2015 USD ($)
Product Information [Line Items]
Unrecorded Unconditional Purchase Obligation	$ 534.9
Revenue From Contracts With Customers, Percentage Associated With Non-cancellable Maintenance And Support Contracts	85.00%
Duration of fiscal year	371 days	364 days	364 days
Advertising expense	$ 0.6	$ 0.8	$ 1.2
Number of customers accounting for 10% or more of net accounts receivable | Customer				1
Accounts Receivable Financing, Gross	91.3
Transfer of Financial Assets Accounted for as Sales, Amount Derecognized	83.5
Accounts Receivable Financing, Current	8.9
Financing Agreement, Fees	1.3
Inventory Off Balance Sheet	$ 57.3	$ 21.7
Minimum
Product Information [Line Items]
Product warranty terms	1 year
Maximum
Product Information [Line Items]
Product warranty terms	2 years
Customer concentration risk | Accounts receivable
Product Information [Line Items]
Number of customers accounting for 10% or more of net accounts receivable | Customer		3
Scansource, D&H Distributors And Ingram Micro [Member] | Customer concentration risk | Accounts receivable
Product Information [Line Items]
Number of customers accounting for 10% or more of net accounts receivable | Customer			3
Ingram Micro [Member] | Customer concentration risk | Accounts receivable
Product Information [Line Items]
Concentration risk percentage	24.70%	22.20%	22.20%
ScanSource [Member] | Customer concentration risk | Accounts receivable
Product Information [Line Items]
Concentration risk percentage	24.90%	17.30%	17.30%
Synnex Corp. [Member] | Customer concentration risk | Accounts receivable
Product Information [Line Items]
Concentration risk percentage		15.60%	15.60%
Ingram Micro Group and ScanSource | Customer concentration risk | Accounts receivable
Product Information [Line Items]
Number of customers accounting for 10% or more of net accounts receivable | Customer	2
Triangle [Member]
Product Information [Line Items]
Ownership percentage	17.80%				16.00%
5.50% Senior Notes | Senior notes
Product Information [Line Items]
Debt Instrument, Face Amount						$ 500.0
Stated interest rate						5.50%