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Goodwill Changes in the Carrying Amount of Goodwill (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
--- | ---
Apr. 30, 2015
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | $ 1,605.4 adsk_GoodwillBeforeAccumulatedImpairments
Accumulated impairment losses | (149.2)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill | 1,456.2 us-gaap_Goodwill
Effect of foreign currency translation, purchase accounting adjustments, and other | (1.1)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments
Goodwill before accumulated impairment losses ending balance | 1,625.3 adsk_GoodwillBeforeAccumulatedImpairments
Accumulated impairment losses | (149.2)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill | 1,476.1 us-gaap_Goodwill
Platform Solutions and Emerging Business |
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | 327.5 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Accumulated impairment losses |
Goodwill | 327.5 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Effect of foreign currency translation, purchase accounting adjustments, and other | 1.9 us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Goodwill before accumulated impairment losses ending balance | 336.6 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Accumulated impairment losses |
Goodwill | 336.6 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Architecture, Engineering and Construction |
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | 427.0 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Accumulated impairment losses |
Goodwill | 427.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Effect of foreign currency translation, purchase accounting adjustments, and other | (0.4)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Goodwill before accumulated impairment losses ending balance | 430.0 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Accumulated impairment losses |
Goodwill | 430.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Manufacturing |
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | 422.7 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Accumulated impairment losses |
Goodwill | 422.7 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Effect of foreign currency translation, purchase accounting adjustments, and other | (0.3)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Goodwill before accumulated impairment losses ending balance | 422.4 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Accumulated impairment losses |
Goodwill | 422.4 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Media and Entertainment |
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | 245.2 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Accumulated impairment losses | (149.2)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Goodwill | 96.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Effect of foreign currency translation, purchase accounting adjustments, and other | (0.1)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Goodwill before accumulated impairment losses ending balance | 255.5 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Accumulated impairment losses | (149.2)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Goodwill | 106.3 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Delcam |
Goodwill [Roll Forward] |
Goodwill before accumulated impairment losses beginning balance | 183.0 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Accumulated impairment losses | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Goodwill | 183.0 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Effect of foreign currency translation, purchase accounting adjustments, and other | (2.2)us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Goodwill before accumulated impairment losses ending balance | 180.8 adsk_GoodwillBeforeAccumulatedImpairments / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Accumulated impairment losses | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Goodwill | 180.8 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember
Other |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | 21.0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Goodwill | 21.0 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Other | Platform Solutions and Emerging Business |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | 7.2 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember / us-gaap_StatementBusinessSegmentsAxis = adsk_PlatformSolutionsAndEmergingBusinessMember
Other | Architecture, Engineering and Construction |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | 3.4 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember / us-gaap_StatementBusinessSegmentsAxis = adsk_ArchitectureEngineeringAndConstructionMember
Other | Manufacturing |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember / us-gaap_StatementBusinessSegmentsAxis = adsk_ManufacturingMember
Other | Media and Entertainment |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | 10.4 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember / us-gaap_StatementBusinessSegmentsAxis = adsk_MediaAndEntertainmentMember
Other | Delcam |
Goodwill [Roll Forward] |
Addition arising from other acquisitions | $ 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember / us-gaap_StatementBusinessSegmentsAxis = adsk_DelcamMember

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