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Revenue Recognition - Deferred Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Revenue Recognition [Abstract]    
Balance at beginning of period $ 110.3 $ 111.1
New contracts sold 14.2 13.7
Revenue recognized on existing contracts (12.2) (13.3)
Balance at end of period $ 112.3 $ 111.5