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ACQUISITION (Details) (USD $) | 3 Months Ended | 6 Months Ended |  | 0 Months Ended | 3 Months Ended | 6 Months Ended | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Jun. 15, 2012 Secured Term Loan | Jun. 15, 2012 Panther Expedited Services, Inc. | Jun. 30, 2012 Panther Expedited Services, Inc. | Jun. 30, 2012 Panther Expedited Services, Inc. | Jun. 30, 2013 Panther Expedited Services, Inc. Software | May 31, 2013 Albert Companies, Inc. Acquired logistics company
ACQUISITION |  |  |  |  |  |  |  |  |
Business acquisition, acquired percentage |  |  |  |  | 100.00% |  |  |  |
Cash purchase price, net of cash acquired |  | $ 4,146,000 | $ 180,793,000 |  | $ 180,000,000 |  |  |  | $ 4,100,000
Debt issued for funding the acquisition |  |  |  | 100,000,000 |  |  |  |  |
Acquisition related costs |  |  |  |  |  | 2,100,000 |  |  |
Fair value of acquired assets and liabilities |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  | 31,824,000 |  |  |  |
Prepaid expenses |  |  |  |  | 5,205,000 |  |  |  |
Deferred income taxes |  |  |  |  | 2,085,000 |  |  |  |
Property and equipment (excluding acquired software) |  |  |  |  | 5,678,000 |  |  |  |
Software |  |  |  |  | 31,600,000 |  |  |  |
Intangible assets |  |  |  |  | 79,000,000 |  |  |  |
Other assets |  |  |  |  | 3,866,000 |  |  |  |
Total identifiable assets acquired |  |  |  |  | 159,258,000 |  |  |  |
Accounts payable |  |  |  |  | 13,344,000 |  |  |  |
Accrued expenses and other current liabilities |  |  |  |  | 7,436,000 |  |  |  |
Other liabilities |  |  |  |  | 228,000 |  |  |  |
Deferred income taxes |  |  |  |  | 29,307,000 |  |  |  |
Total liabilities |  |  |  |  | 50,315,000 |  |  |  |
Net identifiable assets acquired |  |  |  |  | 108,943,000 |  |  |  |
Goodwill |  |  |  |  | 71,096,000 |  |  |  |
Cash paid, net of cash acquired |  |  |  |  | 180,039,000 |  |  |  |
Accounts receivable, fair value |  |  |  |  | 31,800,000 |  |  |  |
Accounts receivable, gross contractual amount |  |  |  |  | 32,300,000 |  |  |  |
Accounts receivable, estimated uncollectible |  |  |  |  | 500,000 |  |  |  |
Amortization period |  |  |  |  |  |  |  | 7 years |
Pro forma consolidated statement of operations |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  | 563,889,000 | 1,056,486,000 |  |
Income (loss) before income taxes |  |  |  |  |  | 9,410,000 | (13,190,000) |  |
Net income (loss) attributable to Arkansas Best Corporation |  |  |  |  |  | 5,793,000 | (7,769,000) |  |
Diluted EPS (in dollars per share) |  |  |  |  |  | $ 0.22 | $ (0.31) |  |
Reversal of deferred tax valuation allowances excluded from pro forma information | $ 8,000,000 | $ 300,000 | $ 3,300,000 |  |  | $ 8,000,000 | $ 3,300,000 |  |
Reversal of deferred tax valuation allowances excluded from pro forma information (in dollars per share) |  |  |  |  |  | $ 0.31 | $ 0.13 |  |

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 26 -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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