Consolidated Statements of Comprehensive Operations - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Dec. 30, 2022	Jun. 16, 2022	Dec. 31, 2021	Dec. 25, 2020
Currency translation adjustments	$ 2.1	$ (1.5)	$ (0.5)	$ 2.1
Net loss	(598.1)	(313.1)	(717.4)	(944.6)
Unrecognized gain on derivatives	0.0	0.0	0.0	0.4
Unrecognized gain (loss) on benefit plans	8.7	0.0	1.8	(4.2)
Total other comprehensive income (loss), net of tax	10.8	(1.5)	1.3	(1.7)
Comprehensive loss	(587.3)	(314.6)	(716.1)	(946.3)
Other comprehensive income (loss), net of tax
Currency translation adjustments	2.1	(1.5)	(0.5)	2.1
Unrecognized gain (loss) on benefit plans	8.7	0.0	1.8	(4.2)
Unrecognized gain on derivatives	0.0	0.0	0.0	0.4
Total other comprehensive income (loss), net of tax	10.8	(1.5)	1.3	(1.7)
Comprehensive loss	(587.3)	(314.6)	(716.1)	(946.3)
Retained Earnings
Net loss	$ (598.1)	$ (313.1)	$ (717.4)	$ (944.6)