Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2025	Mar. 29, 2024	Dec. 29, 2023
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 0.8	$ (1.3)
Net income (loss)	(27.7)	(65.4)
Depreciation and amortization	22.5	35.1
Deferred income taxes	(10.1)	3.9
(Amortization) accretion expense on debt premium/discount and settlement obligation	1.6	(1.1)
Other Noncash Income (Expense)	(8.4)	0.6
Increase (Decrease) in Accounts Receivable	5.4	0.8
Increase (Decrease) in Inventories	(30.1)	(78.7)
Accounts payable	22.7	(13.3)
Income taxes	12.7	(6.4)
Increase (Decrease) in Other Operating Assets and Liabilities, Net	(1.8)	16.2
Net Cash Provided by (Used in) Operating Activities	66.3	15.8
Payments to Acquire Property, Plant, and Equipment	24.3	24.6
Payments for (Proceeds from) Other Investing Activities	(0.3)	(0.4)
Net Cash Provided by (Used in) Investing Activities	(24.0)	(24.2)
Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security	1.0	2.2
Net Cash Provided by (Used in) Financing Activities	(3.1)	(2.2)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	40.0	(11.9)
Cash and cash equivalents	422.2	253.6
Restricted Cash and Investments, Current	21.7	37.1
Restricted Cash and Investments, Noncurrent	41.8	40.8
Cash Flows From Operating Activities:
Net income (loss)	(27.7)	(65.4)
Adjustments to reconcile net cash from operating activities:
Depreciation and amortization	22.5	35.1
Deferred income taxes	(10.1)	3.9
Other non-cash items	8.4	(0.6)
Changes in assets and liabilities:
Accounts receivable, net	(5.4)	(0.8)
Inventories	30.1	78.7
Accounts payable	22.7	(13.3)
Income taxes	12.7	(6.4)
Other	1.8	(16.2)
Net Cash Provided by (Used in) Operating Activities	66.3	15.8
Cash Flows From Investing Activities:
Capital expenditures	(24.3)	(24.6)
Other	0.3	0.4
Net Cash From Investing Activities	(24.0)	(24.2)
Cash Flows From Financing Activities:
Repayment of debt	(1.0)	(2.2)
Repurchase of shares	(1.9)	0.0
Net Cash Provided From Financing Activities	(3.1)	(2.2)
Net change in cash, cash equivalents and restricted cash, including cash classified within assets held for sale	40.0	(11.9)
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Beginning Balance	485.7	331.5	$ 343.4
Cash and cash equivalents, end of period	422.2	253.6
Other	(0.2)	0.0
Specialty Brands
Depreciation and amortization	12.1	22.4
Adjustments to reconcile net cash from operating activities:
Depreciation and amortization	12.1	22.4
Specialty Generics
Depreciation and amortization	9.8	12.2
Adjustments to reconcile net cash from operating activities:
Depreciation and amortization	9.8	12.2
Retained Earnings (Deficit)
Net income (loss)	(27.7)	(65.4)
Cash Flows From Operating Activities:
Net income (loss)	(27.7)	(65.4)
Additional Paid-In Capital
Share-based compensation	9.7	1.9
Adjustments to reconcile net cash from operating activities:
Share-based compensation	$ 9.7	$ 1.9