Condensed Consolidated Statement of Changes in Shareholders' Equity Statement - USD ($) $ in Millions	Total	Ordinary Shares	Additional Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Loss	Treasury Stock, Common
Shares, Outstanding		94,300,000				9,600,000
Beginning balance at Dec. 31, 2021	$ 313.4	$ 18.9	$ 5,597.8	$ (3,678.9)	$ (8.3)	$ (1,616.1)
Net loss	(119.6)			(119.6)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	0.0
Share-based compensation	1.2		1.2
Ending balance at Apr. 01, 2022	$ 195.0	$ 18.9	5,599.0	(3,798.5)	(8.3)	$ (1,616.1)
Shares, Outstanding		94,300,000				9,600,000
Shares, Outstanding		13,200,000				0
Beginning balance, ordinary shares (in shares) at Dec. 30, 2022	13,170,932
Beginning balance at Dec. 30, 2022	$ 1,613.7	$ 0.1	2,191.0	(588.2)	10.8	$ 0.0
Net loss	(249.3)			(249.3)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(2.6)				(2.6)
Share-based compensation	$ 2.6
Ending balance, ordinary shares (in shares) at Mar. 31, 2023	13,170,932
Ending balance at Mar. 31, 2023	$ 1,364.4	$ 0.1	$ 2,193.6	$ (837.5)	$ 8.2	$ 0.0
Shares, Outstanding		13,200,000				0