v2.4.0.8

Supplemental Balance Sheet, Income Statement and Cash Flow Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Supplemental Balance Sheet, Income Statement and Cash Flow Information |
Accrued liabilities |
|  | December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |
|  | (In thousands) |
Accrued compensation |  | $ | 172,803 |  | $ | 158,095 |
Deferred revenue |  |  | 202,918 |  |  | 148,165 |
Other taxes payable |  |  | 76,781 |  |  | 58,590 |
Workers' compensation liabilities |  |  | 29,459 |  |  | 22,645 |
Interest payable |  |  | 64,728 |  |  | 90,878 |
Warranty accrual |  |  | 4,653 |  |  | 6,436 |
Litigation reserves |  |  | 30,784 |  |  | 26,782 |
Current liability to discontinued operations |  |  | 64,404 |  |  | 68,961 |
Professional fees |  |  | 2,971 |  |  | 2,989 |
Current deferred tax liability |  |  | 3,075 |  |  | 10,721 |
Current liability to acquisition of KVS |  |  | 22,033 |  |  | — |
Other accrued liabilities |  |  | 22,484 |  |  | 5,118 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 697,093 |  | $ | 599,380 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Investment income (loss) |
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |  | 2011 |
|  | (In thousands) |
Interest and dividend income |  | $ | 5,120 |  | $ | 7,536 |  | $ | 9,929 |
Gains (losses) on investments, net |  |  | 91,457 | (1) |  | 55,601 | (2) |  | 10,010 | (3)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 96,577 |  | $ | 63,137 |  | $ | 19,939 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(1) Includes net gains of $2.5 million from our trading securities and $89.0 million realized gains from short-term and other long-term investments. (2) Includes net unrealized gains of $41.1 million from our trading securities and $14.5 million realized gains from short-term and other long-term investments. (3) Reflects gain (loss) on sale of debt securities and gains (losses) from our long-term investments of $18.0 million, partially offset by net unrealized losses of $8.0 million from our trading securities.
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |  | 2011 |
|  | (In thousands) |
Losses (gains) on sales, disposals and involuntary conversions of long-lived assets |  | $ | 13,624 |  | $ | (147,522) | (1) | $ | (11,196) | (2)
Litigation expenses |  |  | 11,684 |  |  | 5,382 |  |  | 11,301 |
Foreign currency transaction losses (gains) |  |  | 6,219 |  |  | 4,787 |  |  | 5,499 |
Losses (gains) on derivative instruments |  |  | — |  |  | (1,281 | ) |  | (2,159 | )
Other losses (gains) |  |  | 6,450 |  |  | 1,998 |  |  | 1,029 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
|  | $ | 37,977 |  | $ | (136,636 | ) | $ | 4,474 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(1) Includes a $160 million gain from the sale of our equity interest in Sabine. (2) Includes a $13.1 million pre-tax gain from our acquisition of Peak during 2011 representing the excess of the estimated fair value of the assets and liabilities over the net carrying value of our previously held equity interest. See Note 6—Acquisitions for additional discussion.
Schedule of changes in accumulated other comprehensive income (loss) |
|  | Gains (losses) on cash flow hedges |  | Unrealized gains (losses) on available- for-sale securities |  | Defined benefit pension plan items |  | Foreign currency items |  | Total |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
|  | (In thousands(a)) |
As of January 1, 2013 |  | $ | (2,793 | ) | $ | 134,229 |  | $ | (7,632 | ) | $ | 307,791 |  | $ | 431,595 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Other comprehensive income (loss) before reclassifications |  |  | — |  |  | 22,968 |  |  | — |  |  | (65,447 | ) |  | (42,479 | )
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | 374 |  |  | (85,455 | ) |  | 3,557 |  |  | — |  |  | (81,524 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net other comprehensive income (loss) |  |  | 374 |  |  | (62,487 | ) |  | 3,557 |  |  | (65,447 | ) |  | (124,003 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of December 31, 2013 |  | $ | (2,419 | ) | $ | 71,742 |  | $ | (4,075 | ) | $ | 242,344 |  | $ | 307,592 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(a) All amounts are net of tax. Amounts in parentheses indicate debits.
Schedule of line items that were reclassified from net income |
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |  | 2011 |
|  | (In thousands) |
Investment income (loss), net of income taxes of $2,664, $4,316 and $86 |  | $ | 88,158 |  | $ | 13,405 |  | $ | 3,036 |
Interest expense, net of income taxes of ($239), ($239) and ($239) |  |  | 613 |  |  | 702 |  |  | 763 |
General and administrative expenses, net of incomes taxes of ($2,359), $70 and $2,102 |  |  | 5,916 |  |  | (324 | ) |  | (5,391 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total before tax |  |  | 81,629 |  |  | 13,027 |  |  | 7,664 |
Tax expense (benefit) |  |  | 66 |  |  | 4,147 |  |  | 1,777 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Reclassification adjustment for (gains)/losses included in net income (loss) |  | $ | 81,563 |  | $ | 8,880 |  | $ | 5,887 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Supplemental cash flow information |
|  | Year Ended December 31, |
--- | --- | --- | ---
|  | 2013 |  | 2012 |  | 2011 |
|  | (In thousands) |
Cash paid for income taxes |  | $ | 100,749 |  | $ | 85,044 |  | $ | 53,759 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash paid for interest, net of capitalized interest |  | $ | 239,637 |  | $ | 250,045 |  | $ | 208,212 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Acquisitions of businesses: |  |  |  |  |  |  |  |  |  |
Fair value of assets acquired |  | $ | 140,740 |  | $ | — |  | $ | 80,585 |
Goodwill |  |  | 51,318 |  |  | — |  |  | 8,000 |
Liabilities assumed |  |  | (8,232 | ) |  | — |  |  | (10,471 | )
Gain on acquisition |  |  | — |  |  | — |  |  | (13,114 | )
Future consideration payments (fair value) |  |  | (64,174 | ) |  | — |  |  | — |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash paid for acquisitions of businesses |  |  | 119,652 |  |  | — |  |  | 65,000 |
Cash acquired in acquisitions of businesses |  |  | (2,681 | ) |  | — |  |  | (9,541 | )
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash paid for acquisitions of businesses, net |  | $ | 116,971 |  | $ | — |  | $ | 55,459 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​

X
- Definition Tabular disclosure of losses (gains) on sales retirements and impairments of long lived assets and other expense income net. + References No definition available. + Details
Name: | nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNetTableTextBlock
Namespace Prefix: | nbr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | nbr_SupplementalBalanceSheetIncomeStatementAndCashFlowInformationAbstract
Namespace Prefix: | nbr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_CashFlowSupplementalDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of investment income, including, but not limited to, interest and dividend income and amortization of discount (premium) derived from debt and equity securities. Excludes realized and unrealized gain (loss) on investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.2) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(a),(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_InvestmentIncomeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
Name: | us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration