SEGMENT REPORTING AND GEOGRAPHIC INFORMATION SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Net Revenues by Major Product Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Mar. 28, 2020
Revenue from External Customer [Line Items]
Net revenues	$ 1,681,144	$ 1,727,607	$ 1,696,990
Voice
Revenue from External Customer [Line Items]
Net revenues	246,816	221,131	375,505
Video
Revenue from External Customer [Line Items]
Net revenues	484,495	426,244	284,045
Service
Revenue from External Customer [Line Items]
Net revenues	$ 225,359	$ 256,781	$ 264,254