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The transaction value in total of AirTran common stock based on the closing price of LUV common stock for the 20 consectuive trading day period ending April 27, 2011.

No definition available.

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The average closing price of LUV common stock for the 20 consecutive trading day period ending April 27, 2011.

No definition available.

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The number of Luv shares issued to acquire entity as a percentage of the total number of luv common shares outstanding.

No definition available.

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Data Type:	num:percentItemType
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The amount of restricted cash acquired in a business combination.

No definition available.

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The amount of acquisition cost of a business combination allocated to the air traffic liability from the acquired entity.

No definition available.

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The cash payment per share of the acquiree's common stock (including previously unvested restricted shares), without interest, as per the terms and conditions of the Merger Agreement. This payment is in addition to the right to receive shares of the Acquirer's common stock, for each outstanding share of the subsidiary's common stock, based on the defined conversion ratio.

No definition available.

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Cash paid to redeem outstanding stock options and performance share units of acquiree upon acquisition.

No definition available.

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Exchange ratio of AirTran stock to Southwest Airlines stock (in hundredths)

No definition available.

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Amount of cash paid to acquire the entity.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

No definition available.

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Number of shares of equity interests issued or issuable to acquire entity.

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Name of the acquired entity.

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

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-Paragraph 2

-Subparagraph (h)(2)-(3)

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-Paragraph 68

-Subparagraph r(2, 3)

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 55

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-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph r(2, 3)

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The total purchase price of the acquired entity. This includes cash paid to equity interest holders of the acquired entity, fair value of debt and equity securities issued to equity holders of the acquired entity, and transaction costs paid to third parties to consummate the acquisition.

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The amount of cash and cash equivalents acquired in a business combination.

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The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

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Amount of acquisition cost of a business combination allocated to noncurrent deferred tax assets net of valuation allowance and noncurrent deferred tax liabilities.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 53

-Subparagraph d

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The amount of acquisition cost of a business combination allocated to the noncurrent portion of the long-term debt assumed from the acquired entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

-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 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Financial Accounting Standard (FAS)

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-Subparagraph g

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Amount of acquisition cost of a business combination allocated to other noncurrent assets not separately disclosed.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 37

-Subparagraph f

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Amount of acquisition cost of a business combination allocated to other noncurrent liabilities not separately disclosed.

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The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

No definition available.

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Period Type:	duration

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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-Paragraph 3

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The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 18

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-Name Accounting Standards Codification

-Glossary Financing Activities

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Subparagraph (b)

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