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v2.4.1.9

Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | ---
VIE for Rail | $ 8,143.5 us-gaap_PropertyPlantAndEquipmentGross | $ 7,390.7 us-gaap_PropertyPlantAndEquipmentGross
VIE depreciation allowance | 2,455.5 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | 2,320.4 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
VIE nonrecourse debt | 15.9 us-gaap_NonRecourseDebt | 72.6 us-gaap_NonRecourseDebt
Common stock, par value | $ 0.625 us-gaap_CommonStockParOrStatedValuePerShare | $ 0.625 us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized | 120,000,000 us-gaap_CommonStockSharesAuthorized | 120,000,000 us-gaap_CommonStockSharesAuthorized
Common stock, shares issued | 66,600,984 us-gaap_CommonStockSharesIssued | 66,349,906 us-gaap_CommonStockSharesIssued
Common stock, shares outstanding | 44,198,850 us-gaap_CommonStockSharesOutstanding | 45,868,698 us-gaap_CommonStockSharesOutstanding
Treasury stock, shares outstanding | 22,402,134 us-gaap_TreasuryStockShares | 20,118,120 us-gaap_TreasuryStockShares
Variable Interest Entity, Primary Beneficiary [Member] |  |
VIE for Rail | 123.1 us-gaap_PropertyPlantAndEquipmentGross / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 123.3 us-gaap_PropertyPlantAndEquipmentGross / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
VIE depreciation allowance | 35.0 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | 30.3 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
VIE nonrecourse debt | $ 15.9 us-gaap_NonRecourseDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember | $ 25.4 us-gaap_NonRecourseDebt / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.14) -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 14 -Article 5 + Details
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- Definition Face amount or stated value per share of common stock. + 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 210.5-02.29) -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 30 -Article 5 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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