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Operations and Summary of Significant Accounting Policies - Goodwill (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 123,881 us-gaap_Goodwill |  |  |  | $ 129,218 us-gaap_Goodwill |  |  |  | $ 123,881 us-gaap_Goodwill | $ 129,218 us-gaap_Goodwill | $ 121,981 us-gaap_Goodwill
Balance at the beginning of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 147,961 us-gaap_GoodwillGross |  |  |  | 152,768 us-gaap_GoodwillGross |  |  |  | 147,961 us-gaap_GoodwillGross | 152,768 us-gaap_GoodwillGross | 145,531 us-gaap_GoodwillGross
Accumulated impairment losses | (24,080)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |  |  |  | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |  |  |  | (24,080)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill at the beginning of the period, net |  |  |  | 129,218 us-gaap_Goodwill |  |  |  | 121,981 us-gaap_Goodwill | 129,218 us-gaap_Goodwill | 121,981 us-gaap_Goodwill |
Goodwill acquired |  |  |  |  |  |  |  |  |  | 1,592 us-gaap_GoodwillAcquiredDuringPeriod |
Goodwill disposed |  |  |  |  |  |  |  |  |  | (480)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit |
Foreign exchange |  |  |  |  |  |  |  |  | (4,728)us-gaap_GoodwillTranslationAdjustments | 872 us-gaap_GoodwillTranslationAdjustments |
Impairment | (38)us-gaap_GoodwillImpairmentLoss | (492)us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | (530)us-gaap_GoodwillImpairmentLoss | 0 us-gaap_GoodwillImpairmentLoss | (2,346)us-gaap_GoodwillImpairmentLoss
Reclassifications |  |  |  |  |  |  |  |  | (79)us-gaap_GoodwillOtherChanges | 5,253 us-gaap_GoodwillOtherChanges |
Balance at the end of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 147,961 us-gaap_GoodwillGross |  |  |  | 152,768 us-gaap_GoodwillGross |  |  |  | 147,961 us-gaap_GoodwillGross | 152,768 us-gaap_GoodwillGross | 145,531 us-gaap_GoodwillGross
Accumulated impairment losses | (24,080)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |  |  |  | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |  |  |  | (24,080)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | (23,550)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Goodwill at the end of the period, net | 123,881 us-gaap_Goodwill |  |  |  | 129,218 us-gaap_Goodwill |  |  |  | 123,881 us-gaap_Goodwill | 129,218 us-gaap_Goodwill | 121,981 us-gaap_Goodwill
Bierbach GmbH and Co KG |  |  |  |  |  |  |  |  |  |  |
Balance at the beginning of the year |  |  |  |  |  |  |  |  |  |  |
Impairment |  | (500)us-gaap_GoodwillImpairmentLoss / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = ssd_BierbachGmbHAndCoKGMember |  |  |  |  |  |  |  |  |
United States |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Number of locations into which the activities will be consolidated |  |  |  |  |  |  |  |  | 4 ssd_NumberOfLocations / us-gaap_StatementBusinessSegmentsAxis = country_US |  |
Australia |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Number of locations into which the activities will be consolidated |  |  |  |  |  |  |  |  | 3 ssd_NumberOfLocations / us-gaap_StatementBusinessSegmentsAxis = country_AU |  |
S&P Clever |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Number of locations into which the activities will be consolidated |  |  |  |  |  |  |  |  | 8 ssd_NumberOfLocations / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |
Marginal percentage by which the company passed annual impairment test |  |  |  |  |  |  |  |  | 8.00%ssd_MarginalPercentageOfAnnualImpairmentTest / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |
Goodwill | 17,500 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |  |  |  |  |  |  | 17,500 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |
Margin by which the reporting units passed the annual goodwill impairment test |  |  |  |  |  |  |  |  |  |  |
Pre-Tax Operating Margin Decreases (as a percent) |  |  |  |  |  |  |  |  | 9.00%ssd_HypotheticalPercentageDecreaseInPreTaxOperatingMargin / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |
Balance at the end of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill at the end of the period, net | 17,500 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |  |  |  |  |  |  | 17,500 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_SAndPCleverMember |  |
Denmark |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Number of locations into which the activities will be consolidated |  |  |  |  |  |  |  |  | 2 ssd_NumberOfLocations / us-gaap_StatementBusinessSegmentsAxis = country_DK |  |
North America |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Goodwill | 84,526 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 84,526 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Balance at the beginning of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 95,192 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 95,488 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 95,192 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 95,488 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 89,405 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember
Accumulated impairment losses | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember
Goodwill at the beginning of the period, net |  |  |  | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 78,739 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 78,739 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Goodwill acquired |  |  |  |  |  |  |  |  |  | 918 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Goodwill disposed |  |  |  |  |  |  |  |  |  | (480)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Foreign exchange |  |  |  |  |  |  |  |  | (296)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | (248)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Impairment |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |
Reclassifications |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 5,893 us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Balance at the end of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 95,192 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 95,488 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 95,192 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 95,488 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 89,405 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember
Accumulated impairment losses | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | (10,666)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember
Goodwill at the end of the period, net | 84,526 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |  |  |  | 84,526 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember | 84,822 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_NorthAmericaSegmentMember |
Europe |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Goodwill | 37,788 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 37,788 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 41,263 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Balance at the beginning of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 51,202 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 55,574 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 51,202 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 55,574 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 54,147 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Accumulated impairment losses | (13,414)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | (13,414)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Goodwill at the beginning of the period, net |  |  |  | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 41,263 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 41,263 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |
Goodwill acquired |  |  |  |  |  |  |  |  |  | 674 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |
Goodwill disposed |  |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |
Foreign exchange |  |  |  |  |  |  |  |  | (4,293)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 1,393 us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |
Impairment |  |  |  |  |  |  |  |  | (530)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  | (2,346)us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Reclassifications |  |  |  |  |  |  |  |  | (79)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | (640)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |
Balance at the end of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 51,202 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 55,574 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 51,202 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 55,574 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 54,147 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Accumulated impairment losses | (13,414)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | (13,414)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | (12,884)us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Goodwill at the end of the period, net | 37,788 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember |  |  |  | 37,788 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 42,690 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember | 41,263 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_EuropeSegmentMember
Asia/Pacific |  |  |  |  |  |  |  |  |  |  |
Goodwill Impairment Testing |  |  |  |  |  |  |  |  |  |  |
Goodwill | 1,567 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,567 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Balance at the beginning of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 1,567 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,706 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,567 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,706 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,979 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember
Accumulated impairment losses | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  |  |  |  |  | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember
Goodwill at the beginning of the period, net |  |  |  | 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,979 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,979 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Goodwill acquired |  |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Goodwill disposed |  |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Foreign exchange |  |  |  |  |  |  |  |  | (139)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | (273)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Impairment |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |
Reclassifications |  |  |  |  |  |  |  |  | 0 us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 0 us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |
Balance at the end of the year |  |  |  |  |  |  |  |  |  |  |
Goodwill | 1,567 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,706 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | 1,567 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,706 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | 1,979 us-gaap_GoodwillGross / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember
Accumulated impairment losses | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  |  |  |  |  | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  | 0 us-gaap_GoodwillImpairedAccumulatedImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember
Goodwill at the end of the period, net | $ 1,567 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | $ 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |  |  |  | $ 1,567 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember | $ 1,706 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ssd_AsiaPacificSegmentMember |

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