XML 24 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Commitments and Contingencies (Details) (USD $) | Mar. 31, 2012
--- | ---
Notes payable to bank |
Contingencies |
Letters of credit for outstanding Industrial Development Revenue Bonds | $ 26,385,000
Letters of credit outstanding related to supply agreements | 30,469,000
Letters of credit related to insurance coverages | 21,892,000
Committed bank line |
Contingencies |
Letters of credit outstanding | 78,850,000
Uncommitted bank lines |
Contingencies |
Letters of credit outstanding | 14,011,000
Debt guarantees of non-consolidated affiliates and third party |
Contingencies |
Number of third parties to whom guarantees are outstanding | 3
Maximum exposure for guarantees outstanding | $ 1,200,000

X
- Definition Represents the number of third parties to whom guarantees are outstanding. + References No definition available. + Details
Name: | seb_GuaranteesOutstandingNumberOfThirdParties
Namespace Prefix: | seb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount by which the borrowing capacity was reduced under letters of credit outstanding as of the reporting date for outstanding Industrial Development Revenue Bonds (IDRB's). + References No definition available. + Details
Name: | seb_LettersOfCreditOutstandingAmountForIndustrialDevelopmentRevenueBonds
Namespace Prefix: | seb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount by which the borrowing capacity was reduced under letters of credit outstanding as of the reporting date related to supply agreements. + References No definition available. + Details
Name: | seb_LettersOfCreditOutstandingAmountForSupplyAgreements
Namespace Prefix: | seb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount by which the borrowing capacity was reduced under letters of credit outstanding as of the reporting date related to insurance coverages. + References No definition available. + Details
Name: | seb_LettersOfCreditOutstandingAmountRelatedToInsuranceCoverages
Namespace Prefix: | seb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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