Financial Instruments and Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 29, 2023	Sep. 29, 2023	Mar. 13, 2023	Dec. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative, Notional Amount			$ 860.0
Derivative, Interest Rate Cap, Premium	$ 20.0	$ 20.0
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax	1.1	0.1
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	2.7	8.8
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	6.7	6.7
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative, Cap Interest Rate			3.84%
London Interbank Offered Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Derivative, Cap Interest Rate			4.65%
Level 3 | Other current and non-current assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Cash surrender value of life insurance	44.1	44.1		$ 46.7
Indemnification Agreement | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Restricted Cash and Cash Equivalents	$ 62.2	$ 62.2		$ 57.2