CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 27, 2024	Dec. 29, 2023	Dec. 30, 2022
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	$ 141.6	$ (1.6)	$ 97.7
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization	78.5	84.8	92.5
Amortization of debt issuance costs	0.5	0.5	0.6
Share-based compensation expense	6.9	9.9	6.9
Asset impairment charges	3.7	141.3	3.5
Change in uncertain tax positions	(1.0)	1.5	1.7
(Gain) loss on disposal of property, plant and equipment, and subsidiary, net	(39.5)	(37.9)	1.9
Deferred income taxes	3.6	(3.8)	2.5
Adjustment of Kunia Well Site liability	0.0	0.0	(9.9)
Gain on release of cumulative translation adjustment	0.0	(2.4)	0.0
Other, net	(6.6)	(1.3)	1.6
Changes in operating assets and liabilities
Receivables	(9.8)	(19.3)	(37.4)
Inventories	(1.5)	64.7	(72.1)
Prepaid expenses and other current assets	(2.4)	1.7	(0.2)
Accounts payable and accrued expenses	11.2	(64.1)	(17.8)
Other noncurrent assets and liabilities	(2.7)	3.9	(9.7)
Net cash provided by operating activities	182.5	177.9	61.8
Investing activities:
Capital expenditures	(51.7)	(57.7)	(48.1)
Investments in and advances to unconsolidated companies	(8.0)	(5.3)	(9.7)
Proceeds from sales of property, plant and equipment and subsidiary	74.4	119.9	8.7
Cash paid from settlement of derivatives not designated as hedges	0.0	0.0	(0.2)
Insurance proceeds received for damage to property, plant and equipment, net	5.7	0.0	0.0
Other investing activities	0.0	(0.5)	0.2
Net cash provided by (used in) investing activities	20.4	56.4	(49.1)
Net Cash (Used in) Provided by Financing Activities [Abstract]
Proceeds from long-term debt	620.4	590.5	1,066.3
Payments on long-term debt	(776.3)	(730.3)	(1,045.6)
Purchase of noncontrolling interest	0.0	(5.2)	0.0
Distributions to noncontrolling interests	0.0	(17.9)	(0.9)
Payment of deferred financing costs	(2.2)	0.0	0.0
Repurchase and retirement of ordinary shares	0.0	(11.8)	0.0
Share-based awards settled in cash for taxes	(0.9)	(0.8)	(1.6)
Dividends paid	(47.8)	(35.9)	(28.7)
Other financing activities	(3.1)	(2.1)	(1.5)
Net cash used in financing activities	(209.9)	(213.5)	(12.0)
Effect of exchange rate changes on cash	5.8	(4.2)	0.4
Net (decrease) increase in cash and cash equivalents	(1.2)	16.6	1.1
Cash and cash equivalents, beginning	33.8	17.2	16.1
Cash and cash equivalents, ending	32.6	33.8	17.2
Supplemental cash flow information:
Cash paid for interest	20.3	24.2	23.5
Cash paid for income taxes	16.0	14.9	13.3
Non-cash financing and investing activities:
Right-of-use assets obtained in exchange for new operating lease obligations	38.2	51.0	59.6
Right-of-use assets obtained in exchange for new finance lease obligations	0.1	0.2	0.1
Note receivable received in exchange for minority interest in subsidiary	0.5	0.0	0.0
Dividends on restricted stock units	0.4	0.4	0.0
Non-cash conversion of note receivable in exchange for investment in unconsolidated company	0.7	0.0	0.0
Insurance receivable for loss due to property damages	$ 0.0	$ 0.9	$ 0.0