Income Taxes - Unrecognized Tax Benefits Roll Forward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 25, 2022
Unrecognized Tax Benefits [Roll Forward]
Balance at beginning of year	$ 39.9	$ 77.8	$ 50.6
Gross increases in prior period tax positions	0.1	11.9	0.9
Gross decrease from disposition	0.0	(10.4)	0.0
Gross decreases in prior period tax positions	(1.6)	(23.4)	(0.2)
Gross increases in current period tax positions	3.6	3.8	28.6
Decreases related to settlements with tax authorities	(1.5)	(8.4)	0.0
Decreases from the expiration of statutes of limitations	(4.4)	(11.4)	(2.1)
Balance at end of year	$ 36.1	$ 39.9	$ 77.8