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GOODWILL AND INTANGIBLE ASSETS (Details 3) (Panther Expedited Services, Inc., Software, USD $) In Millions, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013
Panther Expedited Services, Inc. | Software |
Property, Plant and Equipment |
Amortization period | 7 years
Annual amortization expense on acquired software expected for fiscal 2013-2017 | $ 5

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- Definition The amount expected to be charged to expense annually for amortization of capitalized computer software costs. + References No definition available. + Details
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Namespace Prefix: | abfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration