Consolidated Condensed Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 28, 2025	Jun. 29, 2024
Income Statement [Abstract]
Net sales	$ 407,272	$ 374,026
Cost of sales	193,242	185,101
Gross profit	214,030	188,925
Operating expenses
Research and development	102,892	105,363
Selling, general and administrative	38,744	36,770
Total operating expenses	141,636	142,133
Income from operations	72,394	46,792
Interest income	8,840	8,420
Interest expense	(218)	(218)
Other income (expense)	(388)	1,609
Income before income taxes	80,628	56,603
Provision for income taxes	19,931	14,508
Net income	$ 60,697	$ 42,095
Basic earnings per share (in dollars per share)	$ 1.17	$ 0.79
Diluted earnings per share (in dollars per share)	$ 1.14	$ 0.76
Basic weighted average common shares outstanding (in shares)	51,727	53,433
Diluted weighted average common shares outstanding (in shares)	53,319	55,665