SUPPLEMENTARY FINANCIAL INFORMATION (UNAUDITED) (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Apr. 03, 2016	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Provision					$ 11,632	$ 19,383	$ 5,538
Tax benefit related to release of valuation allowance	$ 61,700				81,553	(3,372)	4,622
High-Speed Converter Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on divestiture				$ 16,800	0	16,840	0
Severance Costs			$ 6,800
Provision		$ 11,900			$ 0	$ 18,305	$ 0