CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 02, 2022	Apr. 03, 2021	Mar. 28, 2020
Net revenues	$ 1,681,144	$ 1,727,607	$ 1,696,990
Cost of revenues	995,051	951,056	1,144,755
Gross profit	686,093	776,551	552,235
Operating expenses
Research, development, and engineering	183,553	209,290	218,277
Selling, general, and administrative	499,839	488,378	595,463
Impairment of goodwill and long-lived assets	0	0	489,094
Loss (gain), net from litigation settlements	0	17,561	(721)
Restructuring and other related charges	34,937	48,704	54,177
Total operating expenses	718,329	763,933	1,356,290
Operating (loss) income	(32,236)	12,618	(804,055)
Interest expense	69,711	82,606	92,640
Other non-operating expense (income), net	291	(5,108)	(112)
Loss before income taxes	(102,238)	(64,880)	(896,583)
Income tax benefit	(120,155)	(7,549)	(69,401)
Net income (loss)	$ 17,917	$ (57,331)	$ (827,182)
Per share data
Basic earnings (loss) per common share (in dollars per share)	$ 0.42	$ (1.40)	$ (20.86)
Diluted (in dollars per share)	$ 0.41	$ (1.40)	$ (20.86)
Basic shares used in computing loss per common share (in shares)	42,568	41,044	39,658
Diluted shares used in computing loss per common share (in shares)	43,942	41,044	39,658
Product
Net revenues	$ 1,455,785	$ 1,470,826	$ 1,432,736
Cost of revenues	917,511	863,529	1,049,826
Service
Net revenues	225,359	256,781	264,254
Cost of revenues	$ 77,540	$ 87,527	$ 94,929