Restructuring - Schedule of Restructuring Charges and Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Mar. 29, 2015
Restructuring Reserve [Roll Forward]
Balance as of beginning of period	$ 2,816	$ 10,512	$ 638
Provision	16,409	11,632	19,383
Cash payments	(13,884)	(19,538)	(7,494)
Foreign exchange impact	(500)	210	(2,015)
Balance as of end of period	4,841	2,816	10,512
Cost of Revenues
Restructuring Reserve [Roll Forward]
Balance as of beginning of period	307	0	0
Provision	2,605	435	0
Cash payments	(2,709)	(128)	0
Foreign exchange impact	(2)	0	0
Balance as of end of period	201	307	0
Operating Expenses
Restructuring Reserve [Roll Forward]
Balance as of beginning of period	975	295	638
Provision	13,804	11,197	1,078
Cash payments	(11,092)	(10,533)	(1,421)
Foreign exchange impact	(474)	16	0
Balance as of end of period	3,213	975	295
High-Speed Converter Business
Restructuring Reserve [Roll Forward]
Balance as of beginning of period	1,534	10,217	0
Provision	0	0	18,305
Cash payments	(83)	(8,877)	(6,073)
Foreign exchange impact	(24)	194	(2,015)
Balance as of end of period	$ 1,427	$ 1,534	$ 10,217