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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value Measurement on Recurring Basis (Details) - Recurring - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Level 1 Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value disclosure $ 31.1 $ 31.7
Level 1 Fair Value | Mutual funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value disclosure 31.1 31.7
Level 2 Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value, net asset (liability) 0.3 0.2
Level 2 Fair Value | Interest rate swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Liabilities, fair value disclosure 0.0 (0.3)
Level 2 Fair Value | Money market mutual fund    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets, fair value disclosure $ 0.3 $ 0.5