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Segments - Net Sales and Adjusted EBITDA of Reportable Segments (Parenthetical) (Detail) - Kevothermal Business [Member] - Operating Segments [Member] - Product Care [Member] - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2015
Segment Reporting Information [Line Items] |  |
Reclassified sales | $ 2.9 | $ 5.7
Reclassified adjusted EBITDA | $ 0.6 | $ 1.4

X
- Definition Reclassified earnings before interest taxes depreciation and amortization. + References No definition available. + Details
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Namespace Prefix: | see_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Reclassified sales revenue net. + References No definition available. + Details
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Namespace Prefix: | see_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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