v3.26.1
Financing Arrangements - Narrative (Details) - USD ($)
shares in Millions
3 Months Ended
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2025
May 06, 2024
Nov. 02, 2022
Dec. 20, 2021
Debt Instrument [Line Items]            
Outstanding borrowings $ 0          
Common Stock, Shares outstanding           50.0
Stock Repurchase Program, Amount       $ 100,000,000 $ 75,000,000  
Average Repurchase price   $ 15.55 $ 14.23      
Money market investment carrying value 12,600,000   42,600,000      
Cash held in other investments $ 59,600,000   $ 126,900,000      
Common Shares            
Debt Instrument [Line Items]            
Stock Repurchased, Shares 0.3   0.4      
Stock Repurchased, Amount $ 4,300,000   $ 5,600,000      
Stock Repurchase Program, Remaining Amount 85,400,000          
Fourth Amended Credit Facility | Credit Agreement            
Debt Instrument [Line Items]            
Outstanding borrowings $ 0          
Line of credit facility, tentative future commitment increase   $ 270,700,000