Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2012
Dec. 31, 2011
Current assets:        
Cash and cash equivalents $ 69,608 $ 87,886 $ 77,467 $ 97,869
Accounts and notes receivable, net 251,440 168,562    
Rig materials and supplies 39,229 28,860    
Deferred costs 10,822 1,089    
Deferred income taxes 16,411 8,742    
Other tax assets 13,722 33,524    
Assets held for sale 8,656 6,800    
Other current assets 19,818 12,821    
Total current assets 429,706 348,284    
Property, plant and equipment, net 852,813 789,123    
Investment in subsidiaries and intercompany advances 0 0    
Other noncurrent assets 154,018 118,326    
Total assets 1,436,537 1,255,733 1,255,733  
Current liabilities:        
Current portion of long-term debt 10,000 10,000    
Accounts payable and accrued liabilities 169,130 137,746    
Accrued income taxes 6,975 4,120    
Total current liabilities 186,105 151,866    
Long-term debt 589,147 469,205    
Other long-term liabilities 22,743 23,182    
Long-term deferred tax liability 31,306 20,847    
Intercompany payables 0 0    
Contingencies 0 0    
Stockholders’ equity:        
Common stock 19,995 19,818    
Capital in excess of par value 651,535 646,217    
Accumulated other comprehensive income (564) 0    
Retained earnings (accumulated deficit) (65,740) (74,631)    
Total controlling interest stockholders' equity 605,226 591,404    
Noncontrolling interest 2,010 (771)    
Total Equity 607,236 590,633    
Total liabilities and stockholders’ equity 1,436,537 1,255,733    
Parent [Member]
        
Current assets:        
Cash and cash equivalents 14,706 42,251 28,231 55,670
Accounts and notes receivable, net 415,294 289,957    
Rig materials and supplies 0 0    
Deferred costs 0 0    
Deferred income taxes 0 0    
Other tax assets 1,152 46,249    
Assets held for sale 0 0    
Other current assets 0 0    
Total current assets 431,152 378,457    
Property, plant and equipment, net 60 60    
Investment in subsidiaries and intercompany advances 818,597 780,878    
Other noncurrent assets 53,989 43,569    
Total assets 1,303,798 1,202,964    
Current liabilities:        
Current portion of long-term debt 10,000 10,000    
Accounts payable and accrued liabilities 68,206 65,839    
Accrued income taxes (35,299) 0    
Total current liabilities 42,907 75,839    
Long-term debt 589,147 469,205    
Other long-term liabilities 3,933 3,933    
Long-term deferred tax liability    0    
Intercompany payables 62,584 62,583    
Contingencies          
Stockholders’ equity:        
Common stock 19,995 19,818    
Capital in excess of par value 651,535 646,217    
Accumulated other comprehensive income 0 0    
Retained earnings (accumulated deficit) (66,303) (74,631)    
Total controlling interest stockholders' equity 605,227 591,404    
Noncontrolling interest 0 0    
Total Equity 605,227 591,404    
Total liabilities and stockholders’ equity 1,303,798 1,202,964    
Guarantor [Member]
        
Current assets:        
Cash and cash equivalents 5,043 11,023 10,266 4,212
Accounts and notes receivable, net 127,661 98,747    
Rig materials and supplies 2,514 2,834    
Deferred costs 65 0    
Deferred income taxes 11,950 7,615    
Other tax assets (783) (31,136)    
Assets held for sale 1,771 0    
Other current assets 11,343 8,675    
Total current assets 159,564 97,758    
Property, plant and equipment, net 557,331 548,794    
Investment in subsidiaries and intercompany advances (241,693) (233,388)    
Other noncurrent assets 54,771 59,541    
Total assets 529,973 472,705    
Current liabilities:        
Current portion of long-term debt 0 0    
Accounts payable and accrued liabilities 90,012 93,243    
Accrued income taxes 41,885 612    
Total current liabilities 131,897 93,855    
Long-term debt 0 0    
Other long-term liabilities 5,075 6,129    
Long-term deferred tax liability 40,892 36,894    
Intercompany payables 43,657 43,657    
Contingencies          
Stockholders’ equity:        
Common stock 18,049 18,049    
Capital in excess of par value 733,899 733,112    
Accumulated other comprehensive income 0 0    
Retained earnings (accumulated deficit) (443,496) (458,991)    
Total controlling interest stockholders' equity 308,452 292,170    
Noncontrolling interest 0 0    
Total Equity 308,452 292,170    
Total liabilities and stockholders’ equity 529,973 472,705    
Non-Guarantor [Member]
        
Current assets:        
Cash and cash equivalents 49,859 34,612 38,970 37,987
Accounts and notes receivable, net 368,236 292,644    
Rig materials and supplies 36,715 26,026    
Deferred costs 10,757 1,089    
Deferred income taxes 4,461 1,127    
Other tax assets 13,353 18,411    
Assets held for sale 6,885 6,800    
Other current assets 8,475 4,146    
Total current assets 498,741 384,855    
Property, plant and equipment, net 295,422 240,269    
Investment in subsidiaries and intercompany advances 1,705,099 1,467,429    
Other noncurrent assets 45,258 15,216    
Total assets 2,544,520 2,107,769    
Current liabilities:        
Current portion of long-term debt 0 0    
Accounts payable and accrued liabilities 373,142 205,864    
Accrued income taxes 389 3,508    
Total current liabilities 373,531 209,372    
Long-term debt 0 0    
Other long-term liabilities 13,735 13,120    
Long-term deferred tax liability (9,586) (16,047)    
Intercompany payables 356,331 216,320    
Contingencies          
Stockholders’ equity:        
Common stock 43,003 43,003    
Capital in excess of par value 1,579,458 1,455,246    
Accumulated other comprehensive income (564) 0    
Retained earnings (accumulated deficit) 186,602 187,526    
Total controlling interest stockholders' equity 1,808,499 1,685,775    
Noncontrolling interest 2,010 (771)    
Total Equity 1,810,509 1,685,004    
Total liabilities and stockholders’ equity 2,544,520 2,107,769    
Eliminations [Member]
        
Current assets:        
Cash and cash equivalents 0 0 0 0
Accounts and notes receivable, net (659,751) (512,786)    
Rig materials and supplies 0 0    
Deferred costs 0 0    
Deferred income taxes 0 0    
Other tax assets 0 0    
Assets held for sale 0 0    
Other current assets 0 0    
Total current assets (659,751) (512,786)    
Property, plant and equipment, net 0 0    
Investment in subsidiaries and intercompany advances (2,282,003) (2,014,919)    
Other noncurrent assets 0 0    
Total assets (2,941,754) (2,527,705)    
Current liabilities:        
Current portion of long-term debt 0 0    
Accounts payable and accrued liabilities (362,230) (227,200)    
Accrued income taxes 0 0    
Total current liabilities (362,230) (227,200)    
Long-term debt 0 0    
Other long-term liabilities 0 0    
Long-term deferred tax liability 0 0    
Intercompany payables (462,572) (322,560)    
Contingencies          
Stockholders’ equity:        
Common stock (61,052) (61,052)    
Capital in excess of par value (2,313,357) (2,188,358)    
Accumulated other comprehensive income 0 0    
Retained earnings (accumulated deficit) 257,457 271,465    
Total controlling interest stockholders' equity (2,116,952) (1,977,945)    
Noncontrolling interest 0 0    
Total Equity (2,116,952) (1,977,945)    
Total liabilities and stockholders’ equity $ (2,941,754) $ (2,527,705)