v3.25.4
Segments - Schedule of Revenue and Long-Lived Assets, Geographic Region (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 5,156.1 $ 5,108.4 $ 5,108.3
Assets 8,412.3 7,896.8  
Long-lived assets 636.0 632.0  
Operating Segments      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Assets 6,551.7 6,355.7  
Operating Segments | Commercial & Industrial Group      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 1,457.5 1,476.8 1,458.3
Assets 1,318.1 1,230.8  
Operating Segments | Snap-on Tools Group      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 1,964.9 1,989.2 2,088.8
Assets 972.1 937.5  
Operating Segments | Repair Systems  & Information Group      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 1,877.1 1,797.9 1,781.2
Assets 1,784.3 1,695.5  
Operating Segments | Financial Services      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 412.9 401.0 378.1
Assets 2,477.2 2,491.9  
Corporate      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Assets 1,946.3 1,633.0  
Elimination of intersegment receivables      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues (556.3) (556.5) (598.1)
Assets (85.7) (91.9)  
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 3,635.3 3,640.9 3,664.3
Long-lived assets 401.5 412.7  
Europe      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 825.5 793.8 760.9
Long-lived assets 186.9 163.9  
All other      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 695.3 673.7 $ 683.1
Long-lived assets $ 47.6 $ 55.4