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Derivatives and Hedging Activities - Additional Information (Detail) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Delayed Draw Term Loan A Facility [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of outstanding interest rate swaps |  |  | $ 100,000,000 invest_DerivativeNotionalAmount / us-gaap_LongtermDebtTypeAxis = see_DelayedDrawTermLoanMember
Foreign Exchange Option [Member] |  |  |
Derivative [Line Items] |  |  |
Number of derivative instruments outstanding | 0 us-gaap_DerivativeNumberOfInstrumentsHeld / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember | 0 us-gaap_DerivativeNumberOfInstrumentsHeld / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember |
Foreign Exchange Option [Member] | Designated as Hedging Instruments [Member] |  |  |
Derivative [Line Items] |  |  |
Other comprehensive income unrealized gain (loss) arising during period net of tax | 1,000,000 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember | 2,000,000 us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_ForeignExchangeOptionMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember |
Foreign Exchange Option [Member] | Not Designated as Hedging Instruments [Member] |  |  |
Derivative [Line Items] |  |  |
Maximum original maturity period of foreign currency forward contracts | 12 months |  |
Interest Rate Swaps [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of outstanding interest rate swaps | 0 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember | 100,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |
Interest Rate and Currency Swap [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of outstanding interest rate swaps |  |  | 100,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = see_InterestRateAndCurrencySwapMember
Cross-Currency Swaps [Member] | Net Investment Hedges [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of outstanding interest rate swaps | $ 425,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_CrossCurrencyInterestRateContractMember / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = us-gaap_NetInvestmentHedgingMember |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Details
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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959 + Details
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- Definition Maximum amount of time remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Details
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- Details
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