Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Dec. 30, 2017
Deferred tax assets:
Accrued expenses and reserves	$ 35,597	$ 24,094
Foreign tax credit carryforwards	1,506	1,053
Other U.S. tax attribute carryforwards	1,539	0
Accrued restructuring	60	156
Capital loss carryforwards	47	3,165
Domestic and non-U.S. net operating loss and credit carryforwards	8,613	5,778
Gross deferred tax assets	47,362	34,246
Less: Valuation allowance	(4,794)	(6,203)
Total deferred tax assets	42,568	28,043
Deferred tax liabilities:
Excess of book basis over the tax basis of assets	74,410	21,254
Tax on unremitted earnings	12,681	12,000
Total deferred tax liabilities	87,091	33,254
Net deferred tax liabilities	$ 44,523	$ 5,211