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Share-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Share-Based Compensation (Details) - USD ($) $ in Millions	Jul. 04, 2026	Jun. 28, 2025	Jul. 04, 2026	Jun. 28, 2025
Class B Incentive Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			5 years
Granted during period (in shares)			1,349,839
Allocated share-based compensation expense (gain)	$ (0.1)	$ 1.3	$ (4.4)	$ (2.4)
Period for recognition (years)			3 years 10 months 24 days
Unrecognized share-based compensation expense	24.3		$ 24.3
Restricted Class A-2 Units \| Non-Employee Directors And Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted during period (in shares)			224,980
Allocated share-based compensation expense (gain)	0.4		$ 0.8
Period for recognition (years)			10 months 24 days
Unrecognized share-based compensation expense	$ 3.4		$ 3.4
Restricted Class A-2 Units \| Non-Employee Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			1 year
Restricted Class A-2 Units \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			2 years