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Description of Business and Basis of Presentation - Narrative (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Sep. 27, 2024
$ / shares
shares
Sep. 26, 2024
segment
Feb. 04, 2022
USD ($)
Nov. 19, 2021
USD ($)
Sep. 27, 2024
segment
$ / shares
Sep. 29, 2023
$ / shares
Business Acquisition [Line Items]            
Number of operating segments | segment   4     2  
Common stock, par value (in dollars per share) | $ / shares $ 1       $ 1 $ 1
Discontinued Operations, Spinoff | SpinCo Business            
Business Acquisition [Line Items]            
Distribution to shareholders, pro rata basis (in shares) | shares 124,084,108          
Common stock, par value (in dollars per share) | $ / shares $ 0.01       $ 0.01  
Distribution to shareholders, conversion ratio (in shares) | shares 1          
StreetLightData, Inc.            
Business Acquisition [Line Items]            
Business combination consideration paid in cash     $ 190.8      
Business combination consideration equity issued     0.9      
Money stock options     5.2      
Transferred liabilities incurred     $ 1.0      
BlackLynx            
Business Acquisition [Line Items]            
Business combination consideration paid in cash       $ 235.4    
Transferred liabilities incurred       5.3    
Business combination, recognized identifiable assets acquired and liabilities assumed, noncurrent liabilities, long-term debt       $ 5.3