v3.26.1
Segment and Geographical Data (Schedule of Geographical Segment Information) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 570.1 $ 560.4 $ 1,512.4 $ 1,492.1  
Property, plant and equipment, net 292.7   292.7   $ 295.0
International          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales 273.6 274.5 757.8 737.9  
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Net sales $ 296.5 $ 285.9 $ 754.6 $ 754.2