v3.26.1
Acquisitions and Dispositions - Store Acquisitions (Details)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 01, 2025
USD ($)
service_center_store
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
service_center_store
Jun. 30, 2026
USD ($)
service_center_store
numberOfFormerFranchiseCenters
Sep. 30, 2025
USD ($)
Business Combination [Line Items]          
Goodwill     $ 1,189.8 $ 1,189.8 $ 658.0
Secured Debt | Term Loan B | Line of Credit          
Business Combination [Line Items]          
Debt instrument term   7 years      
Aggregate principal amount   $ 740.0      
Breeze Autocare          
Business Combination [Line Items]          
Percentage of equity interest acquired 100.00%        
Aggregate purchase price $ 637.4        
Number of service center stores acquired | service_center_store 204        
Measurement period adjustments       (29.1)  
Measurement period adjustments, deferred tax liabilities       (27.9)  
Acquisition related costs     1.1 16.7  
Revenues since acquisition     50.8 117.1  
Income since acquisition     5.8 13.1  
Goodwill     524.3 524.3  
Other Acquisitions          
Business Combination [Line Items]          
Aggregate purchase price       $ 19.7  
Number of service center stores acquired | service_center_store       21  
Number of former service center stores acquired | numberOfFormerFranchiseCenters       7  
Number of former franchise service centers acquired | numberOfFormerFranchiseCenters       4  
Goodwill     $ 15.3 $ 15.3  
Number of system-wide service center stores | service_center_store     1,232 1,232