CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Net revenues	$ 1,696,990	$ 1,674,535	$ 856,903
Cost of revenues	1,144,755	980,396	417,788
Gross profit	552,235	694,139	439,115
Operating expenses:
Research, development, and engineering	218,277	201,886	84,193
Selling, general, and administrative	595,463	567,879	229,390
impairment of goodwill and long-lived assets sg&a	489,094	0	0
(Gain) loss, net from litigation settlements	(721)	975	(420)
Restructuring and other related charges	54,177	32,694	2,451
Total operating expenses	1,356,290	803,434	315,614
Operating income (loss)	(804,055)	(109,295)	123,501
Interest expense	(92,640)	(83,000)	(29,297)
Other non-operating income and (expense), net	112	6,603	6,023
Income (loss) before income taxes	(896,583)	(185,692)	100,227
Income tax expense (benefit)	(69,401)	(50,131)	101,096
Net loss	$ (827,182)	$ (135,561)	$ (869)
Loss per common share:
Basic (in dollars per share)	$ (20.86)	$ (3.61)	$ (0.03)
Diluted (in dollars per share)	$ (20.86)	$ (3.61)	$ (0.03)
Shares used in computing loss per common share:
Basic (in shares)	39,658	37,569	32,345
Diluted (in shares)	39,658	37,569	32,345
Cash dividends declared per common share (in dollars per share)	$ 0.45	$ 0.60	$ 0.60
Product
Net revenues	$ 1,432,736	$ 1,510,770	$ 856,903
Cost of revenues	1,049,826	902,625
Service
Net revenues	264,254	163,765	0
Cost of revenues	$ 94,929	$ 77,771	$ 0