Condensed Consolidated Statements Of Cash Flows (unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 29, 2024	Mar. 31, 2023
Cash flow from operating activities:
Net income		$ 57.2	$ 128.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		62.9	44.5
Deferred income taxes		(13.8)	(33.8)
Stock-based compensation		36.4	33.5
Other, net		(2.3)	(27.8)
(Increase) decrease in assets:
Accounts receivable, net		63.9	62.1
Inventories		8.8	(11.1)
Other current and non-current assets		8.1	(6.2)
Increase (decrease) in liabilities:
Accounts payable		26.5	(9.1)
Accrued compensation and benefits		(46.3)	(26.5)
Deferred revenue		60.8	19.5
Income taxes payable		(18.1)	31.6
Other current and non-current liabilities		(10.3)	3.2
Net cash provided by operating activities		233.8	208.7
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired		0.0	(33.3)
Purchases of property and equipment		(6.8)	(6.4)
Other, net		3.3	12.0
Net cash used in investing activities		(3.5)	(27.7)
Cash flow from financing activities:
Issuance of common stock, net of tax withholdings		12.0	14.0
Repurchases of common stock		(175.0)	0.0
Proceeds from debt and revolving credit lines		521.2	1,097.1
Payments on debt and revolving credit lines		(555.8)	(523.4)
Other, net		(4.6)	(4.3)
Net cash (used in) provided by financing activities		(202.2)	583.4
Effect of exchange rate changes on cash and cash equivalents		(5.4)	2.7
Net increase in cash and cash equivalents		22.7	767.1
Cash and cash equivalents - beginning of period	[1]	238.9	271.0
Cash and cash equivalents - end of period	[1]	$ 261.6	$ 1,038.1

[1] (1) Include $6.5 million and $9.1 million of cash and cash equivalents classified as held for sale as of March 29, 2024 and December 29, 2023.