Income Taxes - Net Tax Effect of State and Foreign Loss Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jan. 01, 2023
Operating Loss Carryforwards [Line Items]
Loss carryforwards	$ 36.7	$ 33.4
2024 - 2029
Operating Loss Carryforwards [Line Items]
Loss carryforwards	4.9
2030 - 2039
Operating Loss Carryforwards [Line Items]
Loss carryforwards	1.1
2040 - 2049
Operating Loss Carryforwards [Line Items]
Loss carryforwards	0.1
No expiration
Operating Loss Carryforwards [Line Items]
Loss carryforwards	$ 30.6