Consolidated Condensed Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 27, 2026	Jun. 28, 2025
Income Statement [Abstract]
Net sales	$ 459,723	$ 407,272
Cost of sales	217,868	193,242
Gross profit	241,855	214,030
Operating expenses
Research and development	115,013	102,892
Selling, general and administrative	42,406	38,744
Total operating expenses	157,419	141,636
Income from operations	84,436	72,394
Interest income	10,406	8,840
Interest expense	(324)	(218)
Other expense	(363)	(388)
Income before income taxes	94,155	80,628
Provision for income taxes	17,304	19,931
Net income	$ 76,851	$ 60,697
Basic earnings per share (in dollars per share)	$ 1.52	$ 1.17
Diluted earnings per share (in dollars per share)	$ 1.47	$ 1.14
Basic weighted average common shares outstanding (in shares)	50,550	51,727
Diluted weighted average common shares outstanding (in shares)	52,353	53,319