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Revenue - Narratives (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Revenue - Narratives (Details) - USD ($) $ in Millions	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue
Contract revenue recognized	$ 65.0	$ 17.3	$ 284.9	$ 162.7
Remaining performance obligation	$ 4,535.3		$ 4,535.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01
Disaggregation of Revenue
Performance obligations expected to be satisfied, expected timing	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 \| Maximum
Disaggregation of Revenue
Revenue, remaining performance obligation (percent)	61.00%		61.00%