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Unearned Revenue
 3 Months Ended
Mar. 31, 2024
Revenue Recognition and Deferred Revenue [Abstract]  
Unearned Revenue Unearned Revenue
The following table presents our unearned revenue disaggregated by customer type as of the respective periods:
(in thousands)March 31, 2024December 31, 2023
Public$2,976,856 $2,892,255 
Private629,848 704,421 
Total$3,606,704 $3,596,676 
All unearned revenue is in the Construction segment. Approximately $2.4 billion of the March 31, 2024 unearned revenue is expected to be recognized within the next twelve months and the remaining amount will be recognized thereafter.