Summary of Significant Accounting Policies - Cash, Cash Equivalents and Investments (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Jan. 02, 2021
Schedule of Investments [Line Items]
Cash and cash equivalents	$ 52,270	$ 116,120
Short-term investments	1,392	1,687
Other Assets	14,413	13,412
Amortized cost basis of debt securities	13,231	13,143
Debt securities
Schedule of Investments [Line Items]
Cash and cash equivalents	0	0
Short-term investments	1,392	1,687
Other Assets	11,913	11,912
Equity investment
Schedule of Investments [Line Items]
Cash and cash equivalents	0	0
Short-term investments	0	0
Other Assets	2,500	1,500
Cash and money market accounts
Schedule of Investments [Line Items]
Cash and cash equivalents	52,270	116,120
Short-term investments	0	0
Other Assets	$ 0	$ 0