Consolidated Condensed Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 28, 2024	Sep. 23, 2023	Sep. 28, 2024	Sep. 23, 2023
Income Statement [Abstract]
Net sales	$ 541,857	$ 481,063	$ 915,883	$ 798,079
Cost of sales	259,267	234,467	444,368	392,096
Gross profit	282,590	246,596	471,515	405,983
Operating expenses
Research and development	112,925	104,205	218,288	210,420
Selling, general and administrative	37,813	34,323	74,583	69,702
Restructuring costs	0	2,319	0	2,319
Total operating expenses	150,738	140,847	292,871	282,441
Income from operations	131,852	105,749	178,644	123,542
Interest income	8,378	3,972	16,798	8,791
Interest expense	(244)	(243)	(462)	(462)
Other income (expense)	19	(70)	1,628	307
Income before income taxes	140,005	109,408	196,608	132,178
Provision for income taxes	37,865	34,001	52,373	41,171
Net income	$ 102,140	$ 75,407	$ 144,235	$ 91,007
Basic earnings per share (in dollars per share)	$ 1.92	$ 1.38	$ 2.70	$ 1.66
Diluted earnings per share (in dollars per share)	$ 1.83	$ 1.34	$ 2.59	$ 1.61
Basic weighted average common shares outstanding (in shares)	53,275	54,503	53,354	54,683
Diluted weighted average common shares outstanding (in shares)	55,800	56,278	55,753	56,453