Business Segments (Details4) - USD ($) $ in Millions	Mar. 30, 2025	Dec. 29, 2024
Long-Lived Assets [Line Items]
Assets	$ 5,184.0	$ 5,230.6
Percent of total	100.00%	100.00%
UNITED STATES
Long-Lived Assets [Line Items]
Assets	$ 4,619.9	$ 4,666.3
Percent of total	89.00%	89.00%
China
Long-Lived Assets [Line Items]
Assets	$ 279.3	$ 310.3
Percent of total	6.00%	6.00%
Other
Long-Lived Assets [Line Items]
Assets	$ 284.8	$ 254.0
Percent of total	5.00%	5.00%