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
Sep. 30, 2017
Dec. 31, 2016
Sep. 30, 2016
Dec. 31, 2015
Current assets:        
Cash and cash equivalents $ 121,039 $ 119,691 $ 103,613 $ 134,294
Accounts and notes receivable, net 128,234 113,231    
Rig materials and supplies 34,312 32,354    
Other current assets 26,405 21,042    
Total current assets 309,990 286,318    
Property, plant and equipment, net 647,193 693,439    
Goodwill 6,708 6,708    
Intangible assets, net 7,739 9,928    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 114,800      
Deferred Income Taxes and Other Assets, Noncurrent   107,158    
Total assets 1,086,430 1,103,551    
Current liabilities:        
Deferred tax liability 80,015 69,333    
Total liabilities 761,874 764,416    
Total equity 324,556 339,135    
Total liabilities and stockholders’ equity 1,086,430 1,103,551    
Accounts payable and accrued liabilities 87,030 98,841    
Accrued income taxes 4,358 4,080    
Intercompany Payables 0 0    
Liabilities, Current 91,388 102,921    
Long-term Debt, Excluding Current Maturities 577,550 576,326    
Other long-term liabilities 12,921 15,836    
Common Stock, $0.16 2/3 par value, 280,000,000 shares authorized; 138,902,319 shares issued and outstanding (125,118,365 shares in 2016) 23,134 20,837    
Capital in excess of par value 744,722 675,194    
Accumulated deficit (440,060) (350,052)    
Accumulated other comprehensive income (loss) (3,740) (6,844)    
Stockholders' Equity Attributable to Parent 324,556 339,135    
Parent [Member]        
Current assets:        
Cash and cash equivalents 66,063 65,000 54,042 73,985
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 (50,296)    
Total current assets 66,063 14,704    
Property, plant and equipment, net (19) (19)    
Goodwill 0 0    
Intangible assets, net 0 0    
Investment in subsidiaries and intercompany advances 2,947,686 2,979,413    
Other noncurrent assets (162,197)      
Deferred Income Taxes and Other Assets, Noncurrent   (253,679)    
Total assets 2,851,533 2,740,419    
Current liabilities:        
Deferred tax liability 80,015 (28)    
Total liabilities 2,526,198 2,397,402    
Total equity 325,335 343,017    
Total liabilities and stockholders’ equity 2,851,533 2,740,419    
Accounts payable and accrued liabilities (66,449) (10,080)    
Accrued income taxes 73,845 0    
Intercompany Payables 1,858,370 1,828,317    
Liabilities, Current 7,396 (10,080)    
Long-term Debt, Excluding Current Maturities 577,550 576,326    
Other long-term liabilities 2,867 2,867    
Guarantor [Member]        
Current assets:        
Cash and cash equivalents 17,470 14,365 13,684 13,854
Accounts and notes receivable, net 34,363 15,749    
Rig materials and supplies (4,591) (5,369)    
Other current assets 8,109 41,304    
Total current assets 55,351 66,049    
Property, plant and equipment, net 441,211 469,927    
Goodwill 6,708 6,708    
Intangible assets, net 7,739 9,434    
Investment in subsidiaries and intercompany advances 2,964,272 2,932,375    
Other noncurrent assets 218,964      
Deferred Income Taxes and Other Assets, Noncurrent   301,771    
Total assets 3,694,245 3,786,264    
Current liabilities:        
Deferred tax liability 0 73,039    
Total liabilities 1,606,843 1,670,580    
Total equity 2,087,402 2,115,684    
Total liabilities and stockholders’ equity 3,694,245 3,786,264    
Accounts payable and accrued liabilities 192,563 149,210    
Accrued income taxes (53,249) 1,576    
Intercompany Payables 1,461,280 1,437,417    
Liabilities, Current 139,314 150,786    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 6,249 9,338    
Non-Guarantor [Member]        
Current assets:        
Cash and cash equivalents 37,506 40,326 35,887 46,455
Accounts and notes receivable, net 93,871 97,482    
Rig materials and supplies 38,903 37,723    
Other current assets 18,296 30,034    
Total current assets 188,576 205,565    
Property, plant and equipment, net 206,001 223,531    
Goodwill 0 0    
Intangible assets, net 0 494    
Investment in subsidiaries and intercompany advances 3,880,171 3,676,402    
Other noncurrent assets 538,855      
Deferred Income Taxes and Other Assets, Noncurrent   539,877    
Total assets 4,813,603 4,645,869    
Current liabilities:        
Deferred tax liability 0 (3,678)    
Total liabilities 2,923,305 2,741,509    
Total equity 1,890,298 1,904,360    
Total liabilities and stockholders’ equity 4,813,603 4,645,869    
Accounts payable and accrued liabilities 578,392 577,188    
Accrued income taxes (16,238) 2,504    
Intercompany Payables 2,357,346 2,161,864    
Liabilities, Current 562,154 579,692    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 3,805 3,631    
Consolidation, Eliminations [Member]        
Current assets:        
Cash and cash equivalents 0 0 $ 0 $ 0
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets 0 0    
Total current assets 0 0    
Property, plant and equipment, net 0 0    
Goodwill 0 0    
Intangible assets, net 0 0    
Investment in subsidiaries and intercompany advances (9,792,129) (9,588,190)    
Other noncurrent assets (480,822)      
Deferred Income Taxes and Other Assets, Noncurrent   (480,811)    
Total assets (10,272,951) (10,069,001)    
Current liabilities:        
Deferred tax liability 0 0    
Total liabilities (6,294,472) (6,045,075)    
Total equity (3,978,479) (4,023,926)    
Total liabilities and stockholders’ equity (10,272,951) (10,069,001)    
Accounts payable and accrued liabilities (617,476) (617,477)    
Accrued income taxes 0 0    
Intercompany Payables (5,676,996) (5,427,598)    
Liabilities, Current (617,476) (617,477)    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities $ 0 $ 0