XML 72 R41.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Segments - Additional Information (Detail) | 3 Months Ended
--- | ---
Dec. 31, 2012 Reporting_Unit
Segment Reporting Information [Line Items] |
Number of global business divisions | 3
Number of prior business units | 7
New segment reporting structure [Member] |
Segment Reporting Information [Line Items] |
Number of global business divisions | 3

X
- Definition Number Of Divisions + References No definition available. + Details
Name: | see_NumberOfDivisions
Namespace Prefix: | see_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Prior Business Units + References No definition available. + Details
Name: | see_NumberOfPriorBusinessUnits
Namespace Prefix: | see_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration