XML 80 R66.htm IDEA: XBRL DOCUMENT
v2.4.0.6

EMPLOYEE BENEFIT PLANS (Details 5) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Long-Term Cash Incentive Plan |  |  |
Earning period of Long-term cash incentive plan | 3 years |  |
Other Plans |  |  |
Cash surrender value of life insurance policies | $ 41.6 | $ 39.4 |
Recognized gains associated with changes in the cash surrender value and proceeds from life insurance policies | 2.1 | 2.6 | 2.5
401(k) Plan |  |  |
Defined Contribution Plans |  |  |
Maximum percentage of salary permitted to be deferred by plan participants | 69.00% |  |
Rate of employer match on participant contributions | 50.00% |  |
Maximum percentage of participants compensation that is eligible for 50% matching contribution | 6.00% |  |
Expense for employer contribution to defined contribution plan | 3.8 |  |
Defined Contribution Plan |  |  |
Defined Contribution Plans |  |  |
Expense for employer contribution to defined contribution plan |  | 1.1 | 0.8
Period of service for participants' full vesting in the employer's contributions | P3Y |  |
Deferred salary agreements |  |  |
Deferred Compensation Plans |  |  |
Recorded liabilities | 5.5 | 6.3 |
Additional benefit plan, death and retirement benefits |  |  |
Deferred Compensation Plans |  |  |
Recorded liabilities | 1.2 | 1.2 |
Voluntary Savings Plan |  |  |
Deferred Compensation Plans |  |  |
Recorded liabilities | 3.0 | 3.6 |
Recorded assets | $ 3.0 | $ 3.6 |
Minimum period for election to defer receipt of a portion of salary and incentive compensation | 6 months |  |

X
- Definition Represents the minimum period prior to the end of the performance period for making an election to defer receipt of a portion of salary and incentive compensation. + References No definition available. + Details
Name: | abfs_DeferredCompensationPlanMinimumPeriodForElectionToDeferBenefits
Namespace Prefix: | abfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the maximum percentage of the salary, the plan participants are permitted to defer under the 401(k) plans. + References No definition available. + Details
Name: | abfs_DefinedContributionPlan401KPlanMaximumPercentageOfSalaryPermittedToBeDeferredByPlanParticipants
Namespace Prefix: | abfs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage rate at which the employer matches the eligible percentage of participants' compensation. + References No definition available. + Details
Name: | abfs_DefinedContributionPlan401KPlanRateOfEmployerMatch
Namespace Prefix: | abfs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the recognized gains associated with changes in the cash surrender value and proceeds from life insurance policies. + References No definition available. + Details
Name: | abfs_LifeInsurancePolicyRecognizedGains
Namespace Prefix: | abfs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Represents the earning period of incentives under the Long-Term Cash Incentive Plan. + References No definition available. + Details
Name: | abfs_LongTermCashIncentivePlanEarningPeriod
Namespace Prefix: | abfs_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Technical Bulletin (FTB) -Number 85-4 -Paragraph 2 -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6812-107765 + Details
Name: | us-gaap_CashSurrenderValueOfLifeInsurance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a -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 -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64, 65, A240 -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
Name: | us-gaap_DeferredCompensationArrangementWithIndividualRequisiteServicePeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 + Details
Name: | us-gaap_DeferredCompensationPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -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
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration