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Condensed Consolidating Financial Information (Details 5) (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Condensed Consolidating Statements Of Cash Flows |  |
Net cash provided by (used for) operating activities | $ 665,408,000 | $ 711,937,000
Cash flows from investing activities: |  |
Purchases of investments |  | (795,000)
Sales and maturities of investments | 163,161,000 | 25,517,000
Proceeds from sale of unconsolidated affiliates | 10,000,000 |
Investment in unconsolidated affiliates | (3,927,000) |
Cash paid for acquisition of businesses, net | (37,516,000) |
Capital expenditures | (500,368,000) | (967,861,000)
Proceeds from sales of assets and insurance claims | 29,731,000 | 116,923,000
Other | (3,142,000) |
Net cash used for investing activities | (342,061,000) | (826,216,000)
Cash flows from financing activities: |  |
Increase (decrease) in cash overdrafts | (8,686,000) | (2,060,000)
Proceeds from revolving credit facility |  | 200,000,000
Dividends to shareholders | (23,552,000) |
Proceeds from debt | 11,569,000 |
Debt issuance costs | (87,000) |
Proceeds from (payments for) commercial paper, net | 295,000,000 |
Proceeds from (payments for) issuance of common shares | 3,200,000 | (5,066,000)
Reduction in long-term debt | (17,853,000) | (1,235,000)
Reduction in revolving credit facility | (590,000,000) | (150,000,000)
Purchase of restricted stock | (3,023,000) | (2,071,000)
Tax benefit related to share-based awards |  | (36,000)
Net cash (used for) provided by financing activities | (333,432,000) | 39,532,000
Effect of exchange rate changes on cash and cash equivalents | (6,709,000) | (3,430,000)
Net increase (decrease) in cash and cash equivalents | (16,794,000) | (78,177,000)
Cash and cash equivalents, beginning of period | 524,922,000 | 398,575,000
Cash and cash equivalents, end of period | 508,128,000 | 320,398,000
Nabors (Parent/Guarantor) |  |
Condensed Consolidating Statements Of Cash Flows |  |
Net cash provided by (used for) operating activities | (4,554,000) | 7,762,000
Cash flows from financing activities: |  |
Dividends to shareholders | (25,825,000) |
Proceeds from (payments for) issuance of common shares | 3,200,000 | (5,066,000)
Proceeds from (payments for) issuance of parent common shares to affiliate | 32,072,000 |
Purchase of restricted stock | (3,023,000) | (2,071,000)
Net cash (used for) provided by financing activities | 6,424,000 | (7,137,000)
Net increase (decrease) in cash and cash equivalents | 1,870,000 | 625,000
Cash and cash equivalents, beginning of period | 1,639,000 | 203,000
Cash and cash equivalents, end of period | 3,509,000 | 828,000
Nabors Delaware (Issuer) |  |
Condensed Consolidating Statements Of Cash Flows |  |
Net cash provided by (used for) operating activities | (147,280,000) | (55,008,000)
Cash flows from investing activities: |  |
Cash paid for investments in consolidated affiliates | (626,000,000) |
Changes in intercompany balances | 348,367,000 | (38,067,000)
Net cash used for investing activities | (277,633,000) | (38,067,000)
Cash flows from financing activities: |  |
Proceeds from revolving credit facility |  | 200,000,000
Debt issuance costs | (87,000) |
Proceeds from (payments for) commercial paper, net | 295,000,000 |
Proceeds from parent contributions | 626,000,000 |
Reduction in revolving credit facility | (590,000,000) | (100,000,000)
Net cash (used for) provided by financing activities | 330,913,000 | 100,000,000
Net increase (decrease) in cash and cash equivalents | (94,000,000) | 6,925,000
Cash and cash equivalents, beginning of period | 106,778,000 | 21,000
Cash and cash equivalents, end of period | 12,778,000 | 6,946,000
Other Subsidiaries (Non-Guarantors) |  |
Condensed Consolidating Statements Of Cash Flows |  |
Net cash provided by (used for) operating activities | 787,443,000 | 771,683,000
Cash flows from investing activities: |  |
Purchases of investments |  | (795,000)
Sales and maturities of investments | 163,161,000 | 25,517,000
Proceeds from sale of unconsolidated affiliates | 10,000,000 |
Investment in unconsolidated affiliates | (3,927,000) |
Cash paid for acquisition of businesses, net | (37,516,000) |
Capital expenditures | (500,368,000) | (967,861,000)
Proceeds from sales of assets and insurance claims | 29,731,000 | 116,923,000
Other | (3,142,000) |
Cash paid for investments in consolidated affiliates | (1,252,000,000) |
Changes in intercompany balances | (348,367,000) | 38,067,000
Net cash used for investing activities | (1,942,428,000) | (788,149,000)
Cash flows from financing activities: |  |
Increase (decrease) in cash overdrafts | (8,686,000) | (2,060,000)
Proceeds from debt | 11,569,000 |
Proceeds from parent contributions | 1,252,000,000 | (12,500,000)
Reduction in long-term debt | (17,853,000) | (1,235,000)
Reduction in revolving credit facility |  | (50,000,000)
Tax benefit related to share-based awards |  | (36,000)
Net cash (used for) provided by financing activities | 1,237,030,000 | (65,831,000)
Effect of exchange rate changes on cash and cash equivalents | (6,709,000) | (3,430,000)
Net increase (decrease) in cash and cash equivalents | 75,336,000 | (85,727,000)
Cash and cash equivalents, beginning of period | 416,505,000 | 398,351,000
Cash and cash equivalents, end of period | 491,841,000 | 312,624,000
Consolidating Adjustments |  |
Condensed Consolidating Statements Of Cash Flows |  |
Net cash provided by (used for) operating activities | 29,799,000 | (12,500,000)
Cash flows from investing activities: |  |
Cash paid for investments in consolidated affiliates | 1,878,000,000 |
Net cash used for investing activities | 1,878,000,000 |
Cash flows from financing activities: |  |
Dividends to shareholders | 2,273,000 |
Proceeds from parent contributions | (1,878,000,000) | 12,500,000
Proceeds from (payments for) issuance of parent common shares to affiliate | (32,072,000) |
Net cash (used for) provided by financing activities | $ (1,907,799,000) | $ 12,500,000

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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash inflow from parent as a source of financing that is recorded as additional paid in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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