v3.26.3
Segment Information (Schedule Of Geographic Distribution Of Rigs By Segment) (Details)
Sep. 30, 2026
rigs
jackup
Aug. 31, 2026
jackup
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 41  
Number of ARO Rigs ordered | jackup 4  
ARO    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 9  
Total Number Of Contract Drilling Rigs, Leased 7  
Number of ARO Rigs ordered | jackup 4 2
Floaters    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 13  
Jackups    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 21  
Middle East & Africa    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 17  
Middle East & Africa | Floaters    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 5  
Middle East & Africa | Jackups    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 5  
Middle East & Africa | Other    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 7  
Middle East & Africa | ARO    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 9  
Europe    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 13  
Europe | Floaters    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 3  
Europe | Jackups    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 10  
Europe | Other    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
Europe | ARO    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
North & South America    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 8  
North & South America | Floaters    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 5  
North & South America | Jackups    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 3  
North & South America | Other    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
North & South America | ARO    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
Asia & Pacific Rim    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 3  
Asia & Pacific Rim | Floaters    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
Asia & Pacific Rim | Jackups    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 3  
Asia & Pacific Rim | Other    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0  
Asia & Pacific Rim | ARO    
Segment Reporting [Line Items]    
Total Number Of Contract Drilling Rigs 0