SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Segment Revenue and Gross Margin Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Net revenues	$ 355,720	$ 447,767
Gross profit	156,332	212,646
Depreciation, as reviewed by CODM	3,300	3,800
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total segment revenues as reviewed by CODM	360,802	459,926
Gross profit	180,485	256,741
Purchase accounting amortization	(18,238)	(30,000)
Segment Reconciling Items
Segment Reporting, Asset Reconciling Item [Line Items]
Deferred revenue purchase accounting	(5,082)	(12,159)
Integration and rebranding costs	0	(958)
Stock-based compensation	$ (833)	$ (978)