Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Sep. 28, 2025	Dec. 29, 2024
Carrying Value Reported Amount Fair Value Disclosure
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 372.2	$ 721.2
Derivative financial instruments, Assets	0.9	1.9
Derivative Financial Instruments, liabilities	1.8	6.0
Debt	1,919.1	1,909.5
Estimate Of Fair Value Fair Value Disclosure
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	372.2	721.2
Derivative financial instruments, Assets	0.9	1.9
Derivative Financial Instruments, liabilities	1.8	6.0
Debt	1,936.5	1,889.7
Estimate Of Fair Value Fair Value Disclosure | Fair Value Inputs Level 1
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	372.2	721.2
Derivative financial instruments, Assets	0.0	0.0
Derivative Financial Instruments, liabilities	0.0	0.0
Debt	1,617.4	1,580.2
Estimate Of Fair Value Fair Value Disclosure | Fair Value Inputs Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Cash and cash equivalents	0.0	0.0
Derivative financial instruments, Assets	0.9	1.9
Derivative Financial Instruments, liabilities	1.8	6.0
Debt	$ 319.1	$ 309.5