v3.26.1
REVENUES - Schedule of Disaggregation of Revenue (Details)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2026
USD ($)
business
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
business
Jun. 30, 2025
USD ($)
Disaggregation of Revenue [Line Items]        
Total sales $ 215.3 $ 214.6 $ 1,064.6 $ 1,016.4
London, England        
Disaggregation of Revenue [Line Items]        
Number of business utilizing excavated areas | business 1   1  
Products and services transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total sales $ 212.5 211.8 $ 1,056.2 1,008.4
Products and services transferred over time        
Disaggregation of Revenue [Line Items]        
Total sales $ 2.8 $ 2.8 $ 8.4 $ 8.0