Condensed Consolidated Balance Sheets $ in Millions	Sep. 29, 2023 USD ($) $ / shares shares	Dec. 30, 2022 USD ($) $ / shares shares
Cash and cash equivalents	$ 389.8	$ 409.5
Accounts receivable, less allowance for doubtful accounts of $4.8 and $4.4	426.9	405.3
Inventories	834.2	947.6
Prepaid expenses and other current assets	136.6	273.4
Total current assets	1,787.5	2,035.8
Property, plant and equipment, net	459.8	457.6
Intangible assets, net	2,319.8	2,843.8
Other assets	227.7	201.1
Total Assets	4,794.8	6,013.8
Current maturities of long-term debt	377.4	44.1
Accounts payable	78.2	114.0
Accrued payroll and payroll-related costs	65.1	49.5
Accrued interest	34.6	29.0
Medicaid lawsuit liability	0.0	16.5
Opioid-Related Litigation Settlement liability, Current	0.0	200.0
Accrued and other current liabilities	243.7	290.7
Total current liabilities	799.0	743.8
Long-term debt	0.0	3,027.7
Opioid-Related Litigation Settlement liability	0.0	379.9
Acthar Gel-Related Settlement, Non-current	0.0	75.0
Pension and postretirement benefits	40.4	41.0
Environmental liabilities	34.8	35.8
Other income tax liabilities	19.2	18.2
Other liabilities	67.4	78.7
Liabilities subject to compromise	4,932.1	0.0
Other liabilities	5,892.9	4,400.1
Preferred shares	0.0	0.0
Ordinary A shares	0.0	0.0
Ordinary shares	$ 0.1	$ 0.1
Preferred shares, par value (in usd per share) | $ / shares	$ 0.01	$ 0.01
Preferred shares, shares authorized (in shares) | shares	500,000,000	500,000,000
Preferred shares, shares issued (in shares) | shares	0	0
Preferred shares, shares outstanding (in shares) | shares	0	0
Deferred Tax Assets, Net	$ 0.0	$ 475.5
Ordinary shares, shares issued (in shares) | shares	13,478,506	13,170,932
Ordinary shares, shares authorized (in shares) | shares	500,000,000	500,000,000
Common Stock, Shares, Outstanding | shares	13,357,313	13,170,932
Ordinary shares, par value (in usd per share) | $ / shares	$ 0.01	$ 0.01
Treasury Stock, Common, Shares | shares	121,193	0
Additional Paid in Capital	$ 2,198.5	$ 2,191.0
Accumulated Other Comprehensive Income (Loss), Net of Tax	13.5	10.8
Retained deficit	(3,310.1)	(588.2)
Total Shareholders' (Deficit) Equity	(1,098.1)	1,613.7
Total Liabilities and Shareholders' (Deficit) Equity	4,794.8	6,013.8
Ordinary shares held in treasury at cost	$ (0.1)	$ 0.0
Ordinary A
Ordinary shares, shares issued (in shares) | shares	0	0.00
Ordinary shares, shares authorized (in shares) | shares	40,000	40,000