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v2.4.1.9

Accounting Policies and Basis of Presentation (Details) (USD $) | 3 Months Ended | 0 Months Ended |
--- | --- | --- | ---
Apr. 04, 2015 item | Mar. 29, 2014 | Apr. 04, 2015 | Apr. 05, 2015 | Dec. 31, 2006
Supplemental Non-Cash Transactions |  |  |  |  |
Number of affiliates | 1 seb_NumberOfAffiliates |  |  |  |
Non-cash, pay-in-kind interest income and accretion of discount recognized on a note receivable from an affiliate | $ 4,360,000 seb_PaidInKindInterestIncome | $ 3,628,000 seb_PaidInKindInterestIncome |  |  |
Change in accounting method |  |  |  |  |
Subsequent event |  |  |  |  |
Increase in investment in affiliates |  |  | 19,382,000 us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValuePeriodIncreaseDecrease / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember |  |
Effect of change in accounting method |  |  |  |  |
tax impact | 0 us-gaap_IncreaseDecreaseInIncomeTaxes / us-gaap_ChangeInAccountingEstimateByTypeAxis = us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember |  |  |  |
Dominican Republic | Power |  |  |  |  |
Subsequent event |  |  |  |  |
Amount investment under cost method |  |  |  |  | 5,910,000 us-gaap_CostMethodInvestmentsOriginalCost / invest_InvestmentGeographicRegionAxis = country_DO / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember
Dominican Republic | Power | Maximum |  |  |  |  |
Subsequent event |  |  |  |  |
Percentage of ownership interest accounted as cost method investment |  |  |  |  | 20.00%us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners / invest_InvestmentGeographicRegionAxis = country_DO / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember
Dominican Republic | Subsequent event | Power |  |  |  |  |
Subsequent event |  |  |  |  |
Amount invested under equity method |  |  |  | $ 10,000,000 us-gaap_PaymentsToAcquireEquityMethodInvestments / invest_InvestmentGeographicRegionAxis = country_DO / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Capacity of power facility (in megawatts) |  |  |  | 300 seb_CapacityOfPowerGeneratingFacility / invest_InvestmentGeographicRegionAxis = country_DO / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
Percentage of ownership interest accounted as equity method investment |  |  |  | 29.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / invest_InvestmentGeographicRegionAxis = country_DO / us-gaap_StatementBusinessSegmentsAxis = seb_PowerMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |

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- Definition Represents the capacity of the power generating facilities. + References No definition available. + Details
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X
- Definition Represents information pertaining to number of affiliates. + References No definition available. + Details
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- Definition Interest received other than in cash for example on a note receivable from an affiliate. As a noncash item, it is subtracted from net income when calculating cash provided by or used in operations using the indirect method. + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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- Definition The net of the gross additions and gross reductions to the investment in and advance to the affiliate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14.1(b)) -URI http://asc.fasb.org/extlink&oid=34726532&loc=d3e611322-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 14 -Paragraph 1 -Article 12 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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