XML 52 R40.htm IDEA: XBRL DOCUMENT v3.21.2
Acquisition - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 18, 2021
Jun. 27, 2021
Jun. 28, 2020
Dec. 27, 2020
Business Acquisition [Line Items]        
Initial cash price   $ 4.0 $ 0.0  
Goodwill   $ 546.7   $ 542.3
Auto Exchange        
Business Acquisition [Line Items]        
Purchase price for the transaction $ 7.3      
Initial cash price 2.0      
Contingent consideration 5.3      
Contingent consideration paid at closing $ 2.0      
Contingent Consideration Term 5 years      
Net assets acquired $ 0.7      
Goodwill 2.5      
Auto Exchange | Customer Relationships        
Business Acquisition [Line Items]        
Acquired customer relationships 4.1      
Auto Exchange | Achievement of Certain Performance Targets        
Business Acquisition [Line Items]        
Contingent consideration $ 3.3