SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Segments Results for Revenue and Gross Margin (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 03, 2021	Jun. 27, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Total segment gross profit as reviewed by CODM	$ 175,189	$ 156,332
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Total segment revenues as reviewed by CODM	432,432	360,802
Total segment gross profit as reviewed by CODM	193,814	180,485
Operating Segments | Products Reportable Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total segment revenues as reviewed by CODM	371,379	291,786
Total segment gross profit as reviewed by CODM	153,548	134,242
Operating Segments | Services Reportable Segment
Segment Reporting, Asset Reconciling Item [Line Items]
Total segment revenues as reviewed by CODM	61,053	69,016
Total segment gross profit as reviewed by CODM	$ 40,266	$ 46,243