Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 409.5	$ 1,345.0
Accounts receivable, less allowance for doubtful accounts of $4.4 and $4.7	405.3	439.1
Inventories	947.6	347.2
Prepaid expenses and other current assets	273.4	178.3
Total current assets	2,035.8	2,309.6
Property, plant and equipment, net	457.6	776.0
Intangible assets, net	2,843.8	5,448.4
Other assets	201.1	382.3
Total Assets	6,013.8	8,916.3
Current Liabilities:
Current maturities of long-term debt	44.1	1,388.9
Accounts payable	114.0	123.0
Accrued payroll and payroll-related costs	49.5	84.6
Accrued interest	29.0	17.0
Accrued and other current liabilities	290.7	328.7
Total current liabilities	743.8	1,942.2
Pension and postretirement benefits	41.0	30.1
Environmental liabilities	35.8	43.0
Deferred income taxes	0.3	20.9
Other income tax liabilities	18.2	83.2
Other liabilities	78.4	85.8
Liabilities subject to compromise	0.0	6,397.7
Total Liabilities	4,400.1	8,602.9
Shareholders' Equity:
Ordinary shares held in treasury at cost, none and 9,569,645	0.0	(1,616.1)
Additional paid-in capital	2,191.0	5,597.8
Retained deficit	(588.2)	(3,678.9)
Accumulated other comprehensive income (loss)	10.8	(8.3)
Total Shareholders' Equity	1,613.7	313.4
Total Liabilities and Shareholders' Equity	6,013.8	8,916.3
Cash and cash equivalents	409.5	1,345.0
Accounts receivable, less allowance for doubtful accounts of $4.4 and $4.7	405.3	439.1
Inventory, Net	947.6	347.2
Prepaid expenses and other current assets	273.4	178.3
Total current assets	2,035.8	2,309.6
Property, plant and equipment, net	457.6	776.0
Intangible Assets, Net (Excluding Goodwill)	2,843.8	5,448.4
Deferred Income Tax Assets, Net	475.5	0.0
Other assets	201.1	382.3
Assets	6,013.8	8,916.3
Current maturities of long-term debt	44.1	1,388.9
Accounts Payable, Current	114.0	123.0
Accrued payroll and payroll-related costs	49.5	84.6
Accrued interest	29.0	17.0
Acthar Gel-Related Settlement liability, Current	16.5	0.0
Opioid-Related Litigation Settlement liability, Current	200.0	0.0
Accrued and other current liabilities	290.7	328.7
Total current liabilities	743.8	1,942.2
Pension and postretirement benefits	41.0	30.1
Environmental liabilities	35.8	43.0
Deferred income taxes	0.3	20.9
Other income tax liabilities	18.2	83.2
Other Liabilities, Noncurrent	78.4	85.8
Liabilities subject to compromise	0.0	6,397.7
Total Liabilities	4,400.1	8,602.9
Treasury Stock, Value	0.0	1,616.1
Additional paid-in capital	2,191.0	5,597.8
Retained deficit	(588.2)	(3,678.9)
Accumulated Other Comprehensive Income (Loss), Net of Tax	10.8	(8.3)
Shareholders' equity	1,613.7	313.4
Total Liabilities and Shareholders' Equity	6,013.8	8,916.3
Acthar Gel-Related Settlement liability, Non-current	75.0	0.0
Opioid-Related Litigation Settlement liability, Non-current	$ 379.9	0.0
Preferred shares, shares issued (in shares)	0
Predecessor Reorganization
Shareholders' Equity:
Predecessor preferred shares, $0.20 par value, 500,000,000 authorized; none issued or outstanding	$ 0.0	0.0
Predecessor ordinary shares, $0.20 par value, 500,000,000 authorized; 94,296,235 issued; 84,726,590 outstanding	0.0	0.0
Predecessor preferred shares, $0.20 par value, 500,000,000 authorized; none issued or outstanding	0.0	0.0
Predecessor ordinary shares, $0.20 par value, 500,000,000 authorized; 94,296,235 issued; 84,726,590 outstanding	0.0	0.0
Common Stock, Value, Outstanding	0.0	$ 18.9
Preferred shares, shares outstanding (in shares)		0
Preferred shares, shares issued (in shares)		0
Common Stock, Shares, Outstanding		84,726,590
Successor
Shareholders' Equity:
Predecessor preferred shares, $0.20 par value, 500,000,000 authorized; none issued or outstanding	0.0	$ 0.0
Predecessor ordinary shares, $0.20 par value, 500,000,000 authorized; 94,296,235 issued; 84,726,590 outstanding	0.0	0.0
Predecessor preferred shares, $0.20 par value, 500,000,000 authorized; none issued or outstanding	0.0	0.0
Predecessor ordinary shares, $0.20 par value, 500,000,000 authorized; 94,296,235 issued; 84,726,590 outstanding	0.0	0.0
Common Stock, Value, Outstanding	$ 0.1	$ 0.0
Preferred shares, shares outstanding (in shares)	0
Preferred shares, shares issued (in shares)	0
Common Stock, Shares, Outstanding	13,170,932