CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023	Dec. 29, 2023
Operating activities:
Net income	$ 41.9	$ 8.8	$ 121.2	$ 104.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization			59.2	64.9
Amortization of debt issuance costs			0.4	0.4
Share-based compensation expense			4.8	7.6
Asset impairments	0.0	5.3	0.7	8.1
Change in uncertain tax positions			(1.3)	0.5
Gain on disposal of property, plant and equipment, net and subsidiary			(26.6)	(35.8)
Deferred income taxes			3.4	(5.0)
Other, net			(4.0)	(0.5)
Changes in operating assets and liabilities
Receivables			(0.4)	(7.1)
Inventories			12.7	74.7
Prepaid expenses and other current assets			(6.6)	(3.4)
Accounts payable and accrued expenses			26.2	(33.8)
Other assets and liabilities			(2.5)	4.6
Net cash provided by operating activities			187.2	180.1
Investing activities:
Capital expenditures			(34.1)	(40.7)
Proceeds from sales of property, plant and equipment and subsidiary			35.6	115.5
Proceeds from Insurance Settlement, Investing Activities			5.7	0.0
Investments in and advances to unconsolidated companies			(6.2)	(4.4)
Other investing activities			0.0	0.5
Net cash provided by investing activities			1.0	69.9
Financing activities:
Proceeds from debt			315.4	383.2
Payments on debt			(445.8)	(522.0)
Purchase of redeemable noncontrolling interest			0.0	(5.2)
Distributions to noncontrolling interests			0.0	(17.9)
Share-based awards settled in cash for taxes			(0.9)	(0.8)
Dividends paid			(35.9)	(26.4)
Payment of deferred financing costs			(2.2)	0.0
Other financing activities			(2.7)	(2.1)
Net cash used in financing activities			(172.1)	(191.2)
Effect of exchange rate changes on cash			0.9	1.9
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total			17.0	60.7
Cash and cash equivalents, beginning			33.8	17.2	$ 17.2
Cash and cash equivalents, ending	$ 50.8	$ 77.9	50.8	77.9	$ 33.8
Supplemental cash flow information:
Cash paid for interest			14.4	19.5
Cash paid for income taxes			11.8	12.2
Non-cash financing and investing activities:
Right-of-use assets obtained in exchange for new operating lease obligations			28.1	46.3
Dividends on restricted share units			0.4	0.4
Non-cash conversion of note receivable in exchange for investment in unconsolidated company			0.7	0.0
Other accounts receivable obtained from disposition of subsidiary			0.0	3.0
Subsidiary or Equity Method Investee, Cumulative Proceeds Received on All Transactions			$ 0.5	$ 0.0