Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Dec. 28, 2024
Deferred tax assets:
Net operating loss carryforwards	$ 66,851	$ 46,263
Interest expense carryforwards	47,581	34,800
Accrued expenses and reserves	42,154	32,336
Lease liabilities	16,559	13,016
Excess of tax basis over the book basis for intangible assets and goodwill	16,016	0
Capitalized expenses	11,032	18,939
U.S. foreign tax credit carryforwards	3,772	3,490
U.S. research and other general business tax credit carryforwards	1,222	1,252
Other	0	196
Deferred tax assets	205,187	150,292
Less: Valuation allowance	(97,557)	(55,468)
Total deferred tax assets	107,630	94,824
Deferred tax liabilities:
Excess of book basis over the tax basis for intangible assets and goodwill	134,666	133,701
Excess of book basis over the tax basis for property, plant, and equipment	34,448	24,238
Right of use lease assets	17,289	12,906
Tax on unremitted earnings	16,311	14,612
Other	1,996	0
Total deferred tax liabilities	204,710	185,457
Net deferred tax liabilities	$ 97,080	$ 90,633