Consolidated Statements Of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Dec. 29, 2023		Dec. 30, 2022		Dec. 31, 2021
Cash flow from operating activities:
Net income		$ 311.3		$ 449.7		$ 492.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense		38.3		40.2		41.3
Amortization expense		212.3		131.6		138.6
Deferred income taxes		(104.6)		(40.0)		(26.9)
Stock-based compensation		145.4		120.4		122.6
Divestitures gain, net		(9.2)		(99.0)		(43.9)
Other, net		11.6		41.7		19.2
(Increase) decrease in assets:
Accounts receivable, net		(36.4)		(55.4)		(9.0)
Inventories		67.6		(113.5)		(72.9)
Other current and non-current assets		(67.2)		(46.3)		(30.2)
Increase (decrease) in liabilities:
Accounts payable		(12.4)		(24.8)		60.3
Accrued compensation and benefits		20.8		(54.2)		54.1
Deferred revenue		26.0		108.6		27.4
Income taxes payable		(4.0)		(38.3)		(2.9)
Other current and non-current liabilities		(2.4)		(29.5)		(20.0)
Net cash provided by operating activities		597.1		391.2		750.5
Cash flow from investing activities:
Acquisitions of businesses, net of cash acquired		(2,088.9)		(373.5)		(236.1)
Purchases of property and equipment		(42.0)		(43.2)		(46.1)
Net proceeds from divestitures		17.0		215.4		67.3
Other, net		45.8		(25.0)		11.4
Net cash used in investing activities		(2,068.1)		(226.3)		(203.5)
Cash flow from financing activities:
Issuance of common stock, net of tax withholdings		6.7		(13.6)		(15.1)
Repurchases of common stock		(100.0)		(394.7)		(180.0)
Proceeds from debt and revolving credit lines		3,847.1		814.8		198.9
Payments on debt and revolving credit lines		(2,292.9)		(590.2)		(449.9)
Other, net		(29.4)		(15.3)		(1.6)
Net cash provided by (used in) financing activities		1,431.5		(199.0)		(447.7)
Effect of exchange rate changes on cash and cash equivalents		7.4		(20.6)		(11.3)
Net (decrease) increase in cash and cash equivalents		(32.1)		(54.7)		88.0
Cash and cash equivalents - beginning of period		271.0	[1]	325.7	[1]	237.7
Cash and cash equivalents - end of period	[1]	238.9		271.0		325.7
Supplemental cash flow disclosure:
Cash paid for income taxes, net		168.0		197.3		98.3
Cash paid for interest		$ 133.7		$ 73.1		$ 61.8

[1] Includes $9.1 million of cash and cash equivalents classified as held for sale as of December 29, 2023.