Income Taxes - Components of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Federal income taxes:
Current	$ 0.0	$ 0.0	$ (0.2)
Deferred	(0.1)	(68.2)	(3.9)
Total Federal	(0.1)	(68.2)	(4.1)
State and local income taxes:
Current	1.5	0.5	1.0
Deferred	0.5	(9.4)	(0.9)
Total State and local	2.0	(8.9)	0.1
Foreign income taxes:
Current	2.9	4.2	9.0
Deferred	(0.9)	(0.6)	(0.2)
Total Foreign	2.0	3.6	8.8
Total	$ 3.9	$ (73.5)	$ 4.8