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Other Long-term Liabilities - Changes in Deferred Revenue (Details)
$ in Millions
9 Months Ended
Sep. 30, 2024
USD ($)
Deferred Revenue Arrangement [Line Items]  
Balance at December 31, 2023 $ 248.8
Additions 13.9
Revenue recognized (14.4)
Balance at September 30, 2024 119.3
Splitter Agreement [Member]  
Deferred Revenue Arrangement [Line Items]  
Reclassification to accrued liabilities $ (129.0)