CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 26, 2025	Dec. 27, 2024	Dec. 29, 2023
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Net income (loss)	$ 93.5	$ 141.6	$ (1.6)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract]
Depreciation and amortization	72.5	78.5	84.8
Amortization of debt issuance costs	0.5	0.5	0.5
Share-based compensation expense	10.0	6.9	9.9
Asset impairment charges	55.4	3.7	141.3
Change in uncertain tax positions	2.4	(1.0)	1.5
Gain on disposal of property, plant and equipment, and subsidiary, net	(10.3)	(39.5)	(37.9)
Income (Loss) from Equity Method Investments	13.2	9.2	(1.0)
Deferred income taxes	8.0	3.6	(3.8)
Gain on release of cumulative translation adjustment	0.0	0.0	(2.4)
Other, net	(2.8)	2.6	(2.3)
Changes in operating assets and liabilities
Receivables	35.1	(9.8)	(19.3)
Inventories	2.5	(1.5)	64.7
Prepaid expenses and other current assets	(0.9)	(2.4)	1.7
Accounts payable and accrued expenses	(18.5)	11.2	(64.1)
Other noncurrent assets and liabilities	10.9	(2.7)	3.9
Net cash provided by operating activities	245.1	182.5	177.9
Investing activities:
Capital expenditures	(63.8)	(51.7)	(57.7)
Investments in and advances to unconsolidated companies	(12.5)	(8.0)	(5.4)
Proceeds from sales of property, plant and equipment and subsidiary	25.0	74.4	119.9
Insurance proceeds received for damage to property, plant and equipment, net	0.0	5.7	0.0
Distributions from unconsolidated companies	2.5	0.0	0.1
Other investing activities	0.1	0.0	(0.5)
Net cash (used in) provided by investing activities	(48.7)	20.4	56.4
Net Cash (Used in) Provided by Financing Activities [Abstract]
Proceeds from long-term debt	353.6	620.4	590.5
Payments on long-term debt	(424.7)	(776.3)	(730.3)
Purchase of noncontrolling interest	0.0	0.0	(5.2)
Distributions to noncontrolling interests	(4.8)	0.0	(17.9)
Payment of deferred financing costs	0.0	(2.2)	0.0
Repurchase and retirement of ordinary shares	(29.8)	0.0	(11.8)
Share-based awards settled in cash for taxes	(1.0)	(0.9)	(0.8)
Dividends paid	(57.4)	(47.8)	(35.9)
Other financing activities	(1.6)	(3.1)	(2.1)
Net cash used in financing activities	(165.7)	(209.9)	(213.5)
Effect of exchange rate changes on cash	0.9	5.8	(4.2)
Net increase (decrease) in cash and cash equivalents	31.6	(1.2)	16.6
Cash, cash equivalents and restricted cash, beginning	32.6	33.8	17.2
Cash, cash equivalents and restricted cash, ending	64.2	32.6	33.8
Supplemental cash flow information:
Cash paid for interest	13.4	20.3	24.2
Cash paid for income taxes	18.2	16.0	14.9
Non-cash financing and investing activities:
Right-of-use assets obtained in exchange for new operating lease obligations	56.4	38.2	51.0
Noncash or Part Noncash Divestiture, Amount of Consideration Received	31.3	0.0	0.0
Noncash or Part Noncash Acquisition, Investments Acquired	0.8	0.0	0.0
Right-of-use assets obtained in exchange for new finance lease obligations	0.0	0.1	0.2
Note receivable received in exchange for minority interest in subsidiary	0.0	0.5	0.0
Dividends on restricted stock units	0.5	0.4	0.4
Non-cash conversion of note receivable in exchange for investment in unconsolidated company	0.0	0.7	0.0
Insurance receivable for loss due to property damages	$ 0.0	$ 0.0	$ 0.9