XML 53 R42.htm IDEA: XBRL DOCUMENT v3.22.4
Summary of Significant Accounting Policies - Cash, Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Jan. 01, 2022
Schedule of Investments [Line Items]    
Cash and cash equivalents $ 17.4 $ 52.3
Short-term investments 2.0 1.4
Other Assets 12.3 14.4
Amortized cost basis of debt securities 13.7 13.2
Debt securities    
Schedule of Investments [Line Items]    
Cash and cash equivalents 0.0 0.0
Short-term investments 2.0 1.4
Other Assets 10.8 11.9
Equity investment    
Schedule of Investments [Line Items]    
Cash and cash equivalents 0.0 0.0
Short-term investments 0.0 0.0
Other Assets 1.5 2.5
Cash and money market accounts    
Schedule of Investments [Line Items]    
Cash and cash equivalents 17.4 52.3
Short-term investments 0.0 0.0
Other Assets $ 0.0 $ 0.0