Quarterly report pursuant to Section 13 or 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail)

v3.8.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Current assets:        
Cash and cash equivalents $ 118,315 $ 141,549 $ 149,688 $ 119,691
Accounts and Notes receivable, net 126,685 122,511    
Rig materials and supplies 31,822 31,415    
Other current assets 20,438 22,361    
Total current assets 297,260 317,836    
Property, plant and equipment, net 610,744 625,771    
Goodwill (Note 2) 6,708 6,708    
Intangible assets, net (Note 2) 6,551 7,128    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 29,867 32,836    
Total assets 951,130 990,279    
Current liabilities:        
Accounts payable and accrued liabilities 90,372 99,246    
Accrued income taxes 4,191 4,430    
Total current liabilities 94,563 103,676    
Long-term debt, net 578,404 577,971    
Other long-term liabilities 11,110 12,433    
Long-term deferred tax liability 78 78    
Intercompany Payables 0 0    
Total liabilities 684,155 694,158    
Total stockholders' equity 266,975 296,121    
Total liabilities and stockholders' equity 951,130 990,279    
Reportable Legal Entities | Parent        
Current assets:        
Cash and cash equivalents 56,723 75,342 96,539 65,000
Accounts and Notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 0    
Total current assets 56,723 75,342    
Property, plant and equipment, net (19) (19)    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances 2,931,773 2,955,050    
Other noncurrent assets (256,973) (261,232)    
Total assets 2,731,504 2,769,141    
Current liabilities:        
Accounts payable and accrued liabilities (70,088) (51,060)    
Accrued income taxes 80,627 76,883    
Total current liabilities 10,539 25,823    
Long-term debt, net 578,404 577,971    
Other long-term liabilities 2,867 2,867    
Long-term deferred tax liability 0 (1)    
Intercompany Payables 1,871,869 1,865,810    
Total liabilities 2,463,679 2,472,470    
Total stockholders' equity 267,825 296,671    
Total liabilities and stockholders' equity 2,731,504 2,769,141    
Reportable Legal Entities | Guarantor        
Current assets:        
Cash and cash equivalents 16,509 20,655 13,035 14,365
Accounts and Notes receivable, net 35,177 32,338    
Rig materials and supplies (2,869) (3,025)    
Other current assets 5,613 6,362    
Total current assets 54,430 56,330    
Property, plant and equipment, net 423,377 428,556    
Goodwill (Note 2) 6,708 6,708    
Intangible assets, net (Note 2) 6,551 7,128    
Investment in subsidiaries and intercompany advances 2,983,588 2,971,456    
Other noncurrent assets 234,495 237,755    
Total assets 3,709,149 3,707,933    
Current liabilities:        
Accounts payable and accrued liabilities 191,260 179,247    
Accrued income taxes (59,776) (56,870)    
Total current liabilities 131,484 122,377    
Long-term debt, net 0 0    
Other long-term liabilities 3,875 5,741    
Long-term deferred tax liability 0 0    
Intercompany Payables 1,468,837 1,465,744    
Total liabilities 1,604,196 1,593,862    
Total stockholders' equity 2,104,953 2,114,071    
Total liabilities and stockholders' equity 3,709,149 3,707,933    
Reportable Legal Entities | Non-Guarantor        
Current assets:        
Cash and cash equivalents 45,083 45,552 40,114 40,326
Accounts and Notes receivable, net 91,508 90,173    
Rig materials and supplies 34,318 34,440    
Other current assets 14,825 15,999    
Total current assets 185,734 186,164    
Property, plant and equipment, net 187,144 197,234    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances 4,024,920 3,955,553    
Other noncurrent assets 533,156 537,124    
Total assets 4,930,954 4,876,075    
Current liabilities:        
Accounts payable and accrued liabilities 586,677 588,536    
Accrued income taxes (16,660) (15,583)    
Total current liabilities 570,017 572,953    
Long-term debt, net 0 0    
Other long-term liabilities 4,368 3,825    
Long-term deferred tax liability 78 79    
Intercompany Payables 2,495,167 2,430,340    
Total liabilities 3,069,630 3,007,197    
Total stockholders' equity 1,861,324 1,868,878    
Total liabilities and stockholders' equity 4,930,954 4,876,075    
Eliminations        
Current assets:        
Cash and cash equivalents 0 0 $ 0 $ 0
Accounts and Notes receivable, net 0 0    
Rig materials and supplies 373 0    
Other current assets 0 0    
Total current assets 373 0    
Property, plant and equipment, net 242 0    
Goodwill (Note 2) 0 0    
Intangible assets, net (Note 2) 0 0    
Investment in subsidiaries and intercompany advances (9,940,281) (9,882,059)    
Other noncurrent assets (480,811) (480,811)    
Total assets (10,420,477) (10,362,870)    
Current liabilities:        
Accounts payable and accrued liabilities (617,477) (617,477)    
Accrued income taxes 0 0    
Total current liabilities (617,477) (617,477)    
Long-term debt, net 0 0    
Other long-term liabilities 0 0    
Long-term deferred tax liability 0 0    
Intercompany Payables (5,835,873) (5,761,894)    
Total liabilities (6,453,350) (6,379,371)    
Total stockholders' equity (3,967,127) (3,983,499)    
Total liabilities and stockholders' equity $ (10,420,477) $ (10,362,870)