Segment and Related Information - Reconciliation of Segment Income to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 05, 2026	Mar. 30, 2025
Segment and Related Information [Abstract]
Income (loss) from operations	$ 58.7	$ (160.1)
Interest expense, net	(13.3)	(14.2)
Other non-operating income (deductions), net	0.5	(2.0)
Provision for litigation accrual and credit losses	0.0	215.0
Litigation expenses	8.8	2.8
Income (loss) before tax and equity in earnings	45.9	(176.3)
Reconciling Item [Member]
Segment and Related Information [Abstract]
Income (loss) from operations	71.8	61.1
Interest expense, net	(13.3)	(14.2)
Other non-operating income (deductions), net	0.5	(2.0)
Provision for litigation accrual and credit losses	0.0	215.0
Restructuring and other items	0.0	2.2
Litigation expenses	8.8	2.8
Unallocated corporate expenses	$ 4.3	$ 1.2