v3.26.1
PROPERTY, PLANT AND EQUIPMENT - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2026
USD ($)
Jul. 31, 2026
USD ($)
Mar. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
ft²
rig
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
ft²
rig
Jun. 30, 2025
USD ($)
Oct. 31, 2025
USD ($)
rig
Sep. 30, 2025
USD ($)
ft²
rig
Property, Plant, and Equipment [Line Items]                  
Depreciation       $ 162,800 $ 160,800 $ 487,600 $ 405,100    
Abandonment expense $ 11,400                
Partial settlement insurer amount       25,000          
Gain on involuntary conversion       13,581 0 13,581 0    
Insurance proceeds from involuntary conversion           2,500 2,366    
Assets held-for-sale       12,659   12,659     $ 15,231
Asset impairment charges       $ 1,153 173,258 130,340 175,102    
Disposals           17,283      
Non-cash impairment charge for assets previously classified as held-for-sale           $ 2,800      
Leasable square feet | ft²       371,000   371,000      
Proceeds from real estate asset sales           $ 127,667 0    
Gain on disposal of sale of assets       $ 114,800   114,800      
Gain on reimbursement of drilling equipment       6,036 6,773 18,099 26,149    
North America Solutions                  
Property, Plant, and Equipment [Line Items]                  
Number of rigs, plan to scrap | rig               30  
Number of rigs, previously decommissioned | rig               10  
Asset impairment charges       0 0 97,922 1,507    
Offshore Solutions                  
Property, Plant, and Equipment [Line Items]                  
Number of rigs, plan to scrap | rig               3  
Asset impairment charges       $ 0 $ 0 $ 2,128 $ 0    
International Solutions                  
Property, Plant, and Equipment [Line Items]                  
Number of rigs, held-for -sale | rig       2   2      
Asset impairment charges       $ 1,200   $ 23,300      
Estimated scrap value       $ 200   200      
Disposal Group, Disposed of by Sale, Not Discontinued Operations                  
Property, Plant, and Equipment [Line Items]                  
Area of real estate property | ft²                 371,000
Assets held-for-sale                 $ 12,000
Number of rigs, held-for -sale | rig               6 16
Net book value of assets held-for-sale               $ 6,400 $ 3,200
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Offshore Solutions                  
Property, Plant, and Equipment [Line Items]                  
Additional assets, held-for-sale     $ 2,200            
Disposal Group, Disposed of by Sale, Not Discontinued Operations | International Solutions                  
Property, Plant, and Equipment [Line Items]                  
Disposals           $ 23,500      
Subsequent Event                  
Property, Plant, and Equipment [Line Items]                  
Insurance proceeds from involuntary conversion   $ 22,500