Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Current assets:        
Cash and cash equivalents $ 149,688 $ 119,691 $ 108,427 $ 134,294
Accounts and notes receivable, net 118,114 113,231    
Rig materials and supplies 35,053 32,354    
Other current assets 23,092 21,042    
Total current assets 325,947 286,318    
Property, plant and equipment, net 676,881 693,439    
Goodwill 6,708 6,708    
Intangible assets, net 9,200 9,928    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 110,819      
Deferred Income Taxes and Other Assets, Noncurrent   107,158    
Total assets 1,129,555 1,103,551    
Current liabilities:        
Deferred tax liability 72,849 69,333    
Total liabilities 756,114 764,416    
Total equity 373,441 339,135    
Total liabilities and stockholders’ equity 1,129,555 1,103,551    
Accounts payable and accrued liabilities 88,199 98,841    
Accrued income taxes 5,510 4,080    
Intercompany Payables 0 0    
Liabilities, Current 93,709 102,921    
Long-term Debt, Excluding Current Maturities 576,728 576,326    
Other long-term liabilities 12,828 15,836    
Common Stock, $0.16 2/3 par value, 280,000,000 shares authorized; 137,578,742 shares issued and outstanding (125,118,365 shares in 2016) 22,914 20,837    
Capital in excess of par value 745,886 675,194    
Accumulated deficit (389,861) (350,052)    
Accumulated other comprehensive income (loss) (5,998) (6,844)    
Stockholders' Equity Attributable to Parent 373,441 339,135    
Parent [Member]        
Current assets:        
Cash and cash equivalents 96,539 65,000 45,822 73,985
Accounts and notes receivable, net 0 0    
Rig materials and supplies 0 0    
Other current assets (68,300) (50,296)    
Total current assets 28,239 14,704    
Property, plant and equipment, net (19) (19)    
Goodwill 0 0    
Intangible assets, net 0 0    
Investment in subsidiaries and intercompany advances 2,963,194 2,979,413    
Other noncurrent assets (248,095)      
Deferred Income Taxes and Other Assets, Noncurrent   (253,679)    
Total assets 2,743,319 2,740,419    
Current liabilities:        
Deferred tax liability (8) (28)    
Total liabilities 2,366,842 2,397,402    
Total equity 376,477 343,017    
Total liabilities and stockholders’ equity 2,743,319 2,740,419    
Accounts payable and accrued liabilities (44,947) (10,080)    
Accrued income taxes (5,783) 0    
Intercompany Payables 1,837,985 1,828,317    
Liabilities, Current (50,730) (10,080)    
Long-term Debt, Excluding Current Maturities 576,728 576,326    
Other long-term liabilities 2,867 2,867    
Guarantor [Member]        
Current assets:        
Cash and cash equivalents 13,035 14,365 13,242 13,854
Accounts and notes receivable, net 19,442 15,749    
Rig materials and supplies (4,957) (5,369)    
Other current assets 59,147 41,304    
Total current assets 86,667 66,049    
Property, plant and equipment, net 458,497 469,927    
Goodwill 6,708 6,708    
Intangible assets, net 8,857 9,434    
Investment in subsidiaries and intercompany advances 2,943,361 2,932,375    
Other noncurrent assets 299,529      
Deferred Income Taxes and Other Assets, Noncurrent   301,771    
Total assets 3,803,619 3,786,264    
Current liabilities:        
Deferred tax liability 75,920 73,039    
Total liabilities 1,703,523 1,670,580    
Total equity 2,100,096 2,115,684    
Total liabilities and stockholders’ equity 3,803,619 3,786,264    
Accounts payable and accrued liabilities 167,258 149,210    
Accrued income taxes 8,631 1,576    
Intercompany Payables 1,445,569 1,437,417    
Liabilities, Current 175,889 150,786    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 6,145 9,338    
Non-Guarantor [Member]        
Current assets:        
Cash and cash equivalents 40,114 40,326 49,363 46,455
Accounts and notes receivable, net 98,672 97,482    
Rig materials and supplies 40,010 37,723    
Other current assets 32,245 30,034    
Total current assets 211,041 205,565    
Property, plant and equipment, net 218,403 223,531    
Goodwill 0 0    
Intangible assets, net 343 494    
Investment in subsidiaries and intercompany advances 3,728,142 3,676,402    
Other noncurrent assets 540,245      
Deferred Income Taxes and Other Assets, Noncurrent   539,877    
Total assets 4,698,174 4,645,869    
Current liabilities:        
Deferred tax liability (3,063) (3,678)    
Total liabilities 2,798,835 2,741,509    
Total equity 1,899,339 1,904,360    
Total liabilities and stockholders’ equity 4,698,174 4,645,869    
Accounts payable and accrued liabilities 583,421 577,188    
Accrued income taxes 2,662 2,504    
Intercompany Payables 2,211,999 2,161,864    
Liabilities, Current 586,083 579,692    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities 3,816 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 (9,634,697) (9,588,190)    
Other noncurrent assets (480,860)      
Deferred Income Taxes and Other Assets, Noncurrent   (480,811)    
Total assets (10,115,557) (10,069,001)    
Current liabilities:        
Deferred tax liability 0 0    
Total liabilities (6,113,086) (6,045,075)    
Total equity (4,002,471) (4,023,926)    
Total liabilities and stockholders’ equity (10,115,557) (10,069,001)    
Accounts payable and accrued liabilities (617,533) (617,477)    
Accrued income taxes 0 0    
Intercompany Payables (5,495,553) (5,427,598)    
Liabilities, Current (617,533) (617,477)    
Long-term Debt, Excluding Current Maturities 0 0    
Other long-term liabilities $ 0 $ 0