v3.25.1
Revenue - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]    
Remaining performance obligations yet to be satisfied $ 1,100.0  
Performance obligations to be recognized as revenue within next twelve months 606.5  
Contract with customer, revenue recognized 162.5  
Retentions to be collected within one year 30.2 $ 11.6
Contract retentions collectible beyond one year 51.3 28.6
Unapproved change orders and claims $ 11.8 $ 9.9