Goodwill and Intangible Assets - Schedule of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified
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0 Months Ended |
3 Months Ended |
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Feb. 02, 2015
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Apr. 30, 2015
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Jan. 31, 2015
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
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Finite-life intangible assets, Gross |
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$ 56,643us-gaap_FiniteLivedIntangibleAssetsGross
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$ 50,219us-gaap_FiniteLivedIntangibleAssetsGross
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Accumulated Amortization |
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(43,781)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
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(42,905)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
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Finite-life intangible assets, Net |
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12,862us-gaap_FiniteLivedIntangibleAssetsNet
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7,314us-gaap_FiniteLivedIntangibleAssetsNet
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Customer Contracts [Member] |
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
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Weighted average remaining life (years) |
7 years
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6 years 3 months 18 days
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Finite-life intangible assets, Gross |
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34,984us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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30,397us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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Accumulated Amortization |
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(24,896)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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(24,160)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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Finite-life intangible assets, Net |
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10,088us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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6,237us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember
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Non-Compete Agreements [Member] |
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
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Weighted average remaining life (years) |
2 years
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2 years
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Finite-life intangible assets, Gross |
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2,576us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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2,433us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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Accumulated Amortization |
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(2,427)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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(2,433)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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Finite-life intangible assets, Net |
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149us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_NoncompeteAgreementsMember
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Completed Technology [Member] |
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
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Weighted average remaining life (years) |
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5 years 1 month 6 days
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Finite-life intangible assets, Gross |
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11,386us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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10,307us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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Accumulated Amortization |
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(9,359)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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(9,230)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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Finite-life intangible assets, Net |
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2,027us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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1,077us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
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Trademarks, Patents and Other [Member] |
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Finite Lived And Indefinite Lived Intangible Assets [Line Items] |
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Weighted average remaining life (years) |
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7 years
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Finite-life intangible assets, Gross |
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7,697us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = seac_TrademarksPatentsAndOtherMember
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7,082us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = seac_TrademarksPatentsAndOtherMember
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Accumulated Amortization |
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(7,099)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = seac_TrademarksPatentsAndOtherMember
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(7,082)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = seac_TrademarksPatentsAndOtherMember
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Finite-life intangible assets, Net |
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$ 598us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = seac_TrademarksPatentsAndOtherMember
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