Condensed Consolidated Statements Of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2026	Oct. 03, 2025	Oct. 02, 2026	Oct. 03, 2025
Revenue:
Total revenue	$ 966.8	$ 901.2	$ 2,878.7	$ 2,617.5
Cost of sales:
Amortization of purchased intangible assets	16.8	16.4	49.8	48.9
Total cost of sales	307.7	280.1	898.4	837.7
Gross margin	659.1	621.1	1,980.3	1,779.8
Operating expense:
Research and development	162.9	152.9	509.5	474.7
Sales and marketing	177.7	158.8	530.1	470.4
General and administrative	124.7	117.5	401.1	356.6
Restructuring	24.9	14.2	40.4	22.7
Amortization of purchased intangible assets	26.9	27.2	81.2	79.6
Total operating expense	517.1	470.6	1,562.3	1,404.0
Operating income	142.0	150.5	418.0	375.8
Non-operating (expense) income, net:
Goodwill impairment	0.0	0.0	(562.0)	0.0
Interest expense, net	(20.4)	(20.7)	(60.8)	(55.7)
Income (loss) from equity method investments, net	0.8	(0.5)	4.2	2.8
Other (loss) income, net	(1.1)	(4.2)	8.4	1.9
Total non-operating expense, net	(20.7)	(25.4)	(610.2)	(51.0)
Income (loss) before taxes	121.3	125.1	(192.2)	324.8
Income tax provision	62.2	13.6	121.5	57.4
Net income (loss)	$ 59.1	$ 111.5	$ (313.7)	$ 267.4
Earnings (loss) per share:
Basic (in usd per share)	$ 0.25	$ 0.47	$ (1.34)	$ 1.11
Diluted (in usd per share)	$ 0.25	$ 0.46	$ (1.34)	$ 1.10
Shares used in calculating earnings (loss) per share:
Basic (in shares)	232.4	238.2	233.3	239.9
Diluted (in shares)	233.2	240.4	233.3	242.0
Product
Revenue:
Total revenue	$ 324.3	$ 302.5	$ 966.9	$ 866.9
Cost of sales:
Cost of sales	172.4	148.9	490.7	437.0
Subscription and services
Revenue:
Total revenue	642.5	598.7	1,911.8	1,750.6
Cost of sales:
Cost of sales	$ 118.5	$ 114.8	$ 357.9	$ 351.8