XML 36 R56.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Commitments and Contingencies (Details 2) | 12 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Dec. 31, 2014 lawsuit | Feb. 29, 2012 lawsuit | Jul. 20, 2011 lawsuit
Collective bargaining arrangements |  |  |
Percentage of employees represented by labor unions | 14.00%ssd_PercentageOfEmployeesAsRepresentedByLaborUnions |  |
Litigation |  |  |
Number of lawsuits filed against the entity | 4 us-gaap_LossContingencyPendingClaimsNumber |  |
Nishimura case |  |  |
Litigation |  |  |
Number of lawsuits filed against the entity |  |  | 5 us-gaap_LossContingencyPendingClaimsNumber / us-gaap_LitigationCaseAxis = ssd_NishimuraCaseMember
Number of lawsuits dismissed |  | 3 us-gaap_LossContingencyClaimsSettledAndDismissedNumber / us-gaap_LitigationCaseAxis = ssd_NishimuraCaseMember |
Simpson Strong-Tie | San Bernardino County |  |  |
Collective bargaining arrangements |  |  |
Collective bargaining agreements, number | 2 ssd_NumberOfCollectiveBargainingAgreements / dei_EntityByLocationAxis = ssd_SanBernardinoCountyMember / dei_LegalEntityAxis = ssd_SimpsonStrongTieCompanyIncMember |  |
Simpson Strong-Tie | San Bernardino County | Tool and die craftsmen and maintenance workers |  |  |
Collective bargaining arrangements |  |  |
Collective bargaining agreements, number | 1 ssd_NumberOfCollectiveBargainingAgreements / us-gaap_CollectiveBargainingArrangementAxis = ssd_ToolAndDieCraftsmenAndMaintenanceWorkersMember / dei_EntityByLocationAxis = ssd_SanBernardinoCountyMember / dei_LegalEntityAxis = ssd_SimpsonStrongTieCompanyIncMember |  |
Simpson Strong-Tie | Stockton |  |  |
Collective bargaining arrangements |  |  |
Collective bargaining agreements, number | 2 ssd_NumberOfCollectiveBargainingAgreements / dei_EntityByLocationAxis = ssd_StocktonMember / dei_LegalEntityAxis = ssd_SimpsonStrongTieCompanyIncMember |  |

X
- Details
Name: | ssd_CollectiveBargainingArrangementsLineItems
Namespace Prefix: | ssd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of collective bargaining agreements. + References No definition available. + Details
Name: | ssd_NumberOfCollectiveBargainingAgreements
Namespace Prefix: | ssd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the percentage of employees who are represented by labor unions. + References No definition available. + Details
Name: | ssd_PercentageOfEmployeesAsRepresentedByLaborUnions
Namespace Prefix: | ssd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The number of claims settled and dismissed during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyClaimsSettledAndDismissedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of pending claims pertaining to a loss contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyPendingClaimsNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=ssd_SimpsonStrongTieCompanyIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=ssd_NishimuraCaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |