v3.26.1
Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments not Recorded at Fair Value in the Financial Statements (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Carrying Value    
Carrying amounts and estimated fair values of financial instruments not recorded at fair value    
Long-term debt $ 690.7 $ 695.4
Company-owned life insurance 38.0 33.1
Fair Value    
Carrying amounts and estimated fair values of financial instruments not recorded at fair value    
Long-term debt 700.6 712.4
Company-owned life insurance $ 38.0 $ 33.1