Condensed Consolidated Income Statements - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Sep. 30, 2023	Oct. 01, 2022
Revenues [Abstract]
Revenue	$ 1,023,094	$ 902,554	$ 3,021,363	$ 2,661,841
Costs and Expenses:
Marketing and sales	176,215	152,925	509,951	432,407
Research and development	369,642	323,629	1,074,353	901,121
General and administrative	58,556	73,688	166,688	174,051
Amortization of acquired intangibles	4,612	3,946	13,181	13,543
Restructuring	11,582	14	11,582	42
Total costs and expenses	730,188	641,802	2,106,666	1,799,272
Income from operations	292,906	260,752	914,697	862,569
Interest expense	(9,059)	(5,463)	(27,196)	(13,852)
Other income (expense), net	16,106	(3,017)	32,363	(13,879)
Income before provision for income taxes	299,953	252,272	919,864	834,838
Provision for income taxes	45,632	65,967	202,619	226,278
Net income	$ 254,321	$ 186,305	$ 717,245	$ 608,560
Net income per share - basic (usd per share)	$ 0.94	$ 0.69	$ 2.66	$ 2.24
Net Income per share - diluted (usd per share)	$ 0.93	$ 0.68	$ 2.63	$ 2.21
Weighted average common shares outstanding - basic (in shares)	269,229	271,131	269,480	271,694
Weighted average common shares outstanding - diluted (in shares)	272,427	274,957	272,859	275,683
Product and maintenance [Member]
Revenues [Abstract]
Revenue	$ 965,840	$ 845,788	$ 2,852,372	$ 2,494,317
Costs and Expenses:
Cost of sales	85,813	62,351	260,269	203,863
Service [Member]
Revenues [Abstract]
Revenue	57,254	56,766	168,991	167,524
Costs and Expenses:
Cost of sales	$ 23,768	$ 25,249	$ 70,642	$ 74,245