XML 51 R42.htm IDEA: XBRL DOCUMENT v3.25.3
Debt And Financing Arrangements - Estimated Fair Value Of Long Term Debt (Detail) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Debt Instrument [Line Items]      
Estimated Fair Value of Long-Term Debt $ 626.3 $ 598.9 $ 617.9