Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Dec. 26, 2020
Deferred tax assets:
Accrued expenses and reserves	$ 36,168	$ 31,123
Domestic and non-U.S. net operating loss carryforwards	27,818	24,763
Domestic and non-U.S. interest expense carryforwards	16,089	10,352
Excess of tax basis over the book basis for intangible assets and goodwill	5,636	0
Capitalized expenses	4,878	4,178
U.S. research and other general business tax credit carryforwards	1,104	3,724
U.S. foreign tax credit carryforwards	980	772
Other	183	117
Gross deferred tax assets	92,856	75,029
Less: Valuation allowance	(34,869)	(13,131)
Total deferred tax assets	57,987	61,898
Deferred tax liabilities:
Excess of book basis over the tax basis for intangible assets and goodwill	98,046	76,472
Tax on unremitted earnings	15,467	14,223
Unrealized foreign currency exchange gains	73	5,719
Excess of book basis over the tax basis for property, plant, and equipment	12,563	4,394
Total deferred tax liabilities	126,149	100,808
Net deferred tax liabilities	$ 68,162	$ 38,910