XML 85 R72.htm IDEA: XBRL DOCUMENT v3.10.0.1
Business Segments - Capital Expenditures (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Segment Reporting Information [Line Items]        
Capital expenditures $ 194,862 $ 118,350 $ 317,783 $ 186,790
Other Operations        
Segment Reporting Information [Line Items]        
Capital expenditures 7,311 8,017 16,707 12,369
Corporate        
Segment Reporting Information [Line Items]        
Capital expenditures 227 227 753 681
Operating Segments | Contract Drilling        
Segment Reporting Information [Line Items]        
Capital expenditures 121,095 71,326 196,342 115,547
Operating Segments | Pressure Pumping        
Segment Reporting Information [Line Items]        
Capital expenditures 56,195 $ 38,780 81,118 $ 58,193
Operating Segments | Directional Drilling        
Segment Reporting Information [Line Items]        
Capital expenditures $ 10,034   $ 22,863