Debt (Schedule Of Debt) (Details) - USD ($) $ in Millions	Mar. 29, 2024	Dec. 29, 2023
Debt Instrument [Line Items]
Uncommitted Credit Facilities, floating rate	$ 543.4
Unamortized discount and issuance costs	(13.1)	$ (13.8)
Total debt	3,030.3	3,066.6
Short-term debt	543.4
Less: Short-term debt		530.4
Long-term debt	$ 2,486.9	2,536.2
Uncommitted Facilities, floating rate
Debt Instrument [Line Items]
Effective interest rate	5.38%
Uncommitted Credit Facilities, floating rate	$ 143.4	130.4
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Effective interest rate	6.68%
Debt, gross	$ 100.0	150.0
Senior Notes, 4.75%, due December 2024 | Senior Notes
Debt Instrument [Line Items]
Fixed rate	4.75%
Effective interest rate	4.95%
Debt, gross	$ 400.0	400.0
Senior Notes, 4.90%, due June 2028 | Senior Notes
Debt Instrument [Line Items]
Fixed rate	4.90%
Effective interest rate	5.04%
Debt, gross	$ 600.0	600.0
Senior Notes, 6.10%, due March 2033 | Senior Notes
Debt Instrument [Line Items]
Fixed rate	6.10%
Effective interest rate	6.13%
Debt, gross	$ 800.0	800.0
Term Loan, due April 2026 | Unsecured Debt | Line of Credit
Debt Instrument [Line Items]
Effective interest rate	6.93%
Debt, gross	$ 500.0	500.0
Term Loan, due April 2028 | Unsecured Debt | Line of Credit
Debt Instrument [Line Items]
Effective interest rate	7.06%
Debt, gross	$ 500.0	$ 500.0