Condensed Consolidated Statements Of Income (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Revenue:
Total revenue	$ 870.8	$ 993.6	$ 1,824.1	$ 1,909.0
Cost of sales:
Amortization of purchased intangible assets	28.0	30.2	55.8	53.2
Total cost of sales	324.9	389.1	684.6	743.7
Gross margin	545.9	604.5	1,139.5	1,165.3
Operating expense:
Research and development	161.5	174.8	331.7	334.1
Sales and marketing	142.5	155.3	289.3	290.7
General and administrative	148.7	141.3	282.8	252.0
Restructuring	5.1	7.6	11.7	14.3
Amortization of purchased intangible assets	26.5	31.9	53.2	43.6
Total operating expense	484.3	510.9	968.7	934.7
Operating income	61.6	93.6	170.8	230.6
Non-operating income (expense), net:
Divestitures gain, net	1,714.1	1.1	1,717.6	5.1
Interest expense, net	(18.1)	(46.7)	(63.3)	(66.4)
Income from equity method investments, net	4.3	8.0	9.9	19.4
Other income, net	0.1	1.5	0.0	29.4
Total non-operating income (expense), net	1,700.4	(36.1)	1,664.2	(12.5)
Income before taxes	1,762.0	57.5	1,835.0	218.1
Income tax provision	445.6	12.9	461.4	44.7
Net income	$ 1,316.4	$ 44.6	$ 1,373.6	$ 173.4
Earnings per share:
Basic (in usd per share)	$ 5.37	$ 0.18	$ 5.60	$ 0.70
Diluted (in usd per share)	$ 5.34	$ 0.18	$ 5.56	$ 0.70
Shares used in calculating earnings per share:
Basic (in shares)	245.1	248.1	245.3	247.7
Diluted (in shares)	246.4	249.0	246.9	248.9
Product
Revenue:
Total revenue	$ 320.4	$ 490.5	$ 687.5	$ 924.9
Cost of sales:
Cost of sales	176.5	233.9	384.0	450.1
Subscription and services
Revenue:
Total revenue	550.4	503.1	1,136.6	984.1
Cost of sales:
Cost of sales	$ 120.4	$ 125.0	$ 244.8	$ 240.4