XML 58 R48.htm IDEA: XBRL DOCUMENT
v3.25.3

Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets | $ 7,100 |  | $ 6,600 | $ 19,879 | $ 18,000 |
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life |  |  |  | 6 years 6 months |  |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 524,722 | $ 487,376 | 501,005 | $ 524,722 | 501,005 |
Accumulated amortization | (132,205) | (112,325) | (105,488) | (132,205) | (105,488) |
Net carrying amount | 392,517 | 375,051 | 395,517 | 392,517 | 395,517 |
Foreign exchange |  |  |  | 37,708 |  |
Patents |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets |  | 1,397 |  | 2,553 | 2,071 |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 55,560 | 53,472 | 38,787 | 55,560 | 38,787 | $ 38,598
Accumulated amortization | (10,875) | (8,322) | (6,925) | (10,875) | (6,925) | (4,854)
Net carrying amount | 44,685 | 45,150 | 31,862 | 44,685 | 31,862 | 33,744
Finite-Lived Intangible Assets Acquired, Disposals |  | (3,434) |  |  |  |
Finite-Lived Intangible Assets Acquired, Reclassification |  | (15,800) |  |  |  |
Foreign exchange |  | (1,115) |  | 5,522 | 189 |
Unpatented Technology |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets |  | 302 |  | 545 | 689 |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 22,574 | 22,459 | 22,890 | 22,574 | 22,890 | 22,508
Accumulated amortization | (21,815) | (21,270) | (20,968) | (21,815) | (20,968) | (20,279)
Net carrying amount | 759 | 1,189 | 1,922 | 759 | 1,922 | 2,229
Foreign exchange |  | (431) |  | 115 | 382 |
Noncompete Agreements Trademarks and Other |  |  |  |  |  |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount |  |  |  |  |  | 28,147
Accumulated amortization |  |  |  |  |  | (15,745)
Net carrying amount |  |  |  |  |  | 12,402
Noncompete Agreements Trademarks and Other Member |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets |  | 1,148 |  | 3,170 | 1,824 |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 40,366 | 40,567 | 55,563 | 40,366 | 55,563 |
Accumulated amortization | (21,887) | (18,717) | (17,569) | (21,887) | (17,569) |
Net carrying amount | 18,479 | 21,850 | 37,994 | 18,479 | 37,994 |
Finite-Lived Intangible Assets Acquired, Reclassification |  | (14,995) |  | (270) | (1,673) |
Foreign exchange |  | (1) |  | 69 | (6) |
Finite-lived Intangible Assets, Purchase Of Intangibles, Gross |  |  |  |  | 29,095 |
Customer Relationships [Member] |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |
Amortization of Intangible Assets |  | 3,981 |  | 13,611 | 13,381 |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 290,672 | 264,985 | 288,108 | 290,672 | 288,108 | 269,166
Accumulated amortization | (77,372) | (63,761) | (59,780) | (77,372) | (59,780) | (46,399)
Net carrying amount | 213,300 | 201,224 | 228,328 | 213,300 | 228,328 | $ 222,767
Finite-Lived Intangible Assets Acquired, Reclassification |  | (3,717) |  | (919) | (1,673) |
Foreign exchange |  | (19,737) |  | 24,768 | 2,992 |
Finite-lived Intangible Assets, Purchase Of Intangibles, Gross |  |  |  |  | 14,277 |
Gain (Loss) on Disposition of Intangible Assets |  | 331 |  |  |  |
North America |  |  |  |  |  |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 116,273 | 116,550 | 107,561 | 116,273 | 107,561 |
Accumulated amortization | (44,102) | (39,061) | (37,131) | (44,102) | (37,131) |
Net carrying amount | 72,171 | 77,489 | 70,430 | 72,171 | 70,430 |
Europe |  |  |  |  |  |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 404,333 | 366,586 | 389,148 | 404,333 | 389,148 |
Accumulated amortization | (87,203) | (72,621) | (67,801) | (87,203) | (67,801) |
Net carrying amount | 317,130 | 293,965 | 321,347 | 317,130 | 321,347 |
Asia/Pacific |  |  |  |  |  |
Changes in gross carrying amount of finite-lived intangible assets |  |  |  |  |  |
Gross carrying amount | 4,116 | 4,240 | 4,296 | 4,116 | 4,296 |
Accumulated amortization | (900) | (643) | (556) | (900) | (556) |
Net carrying amount | $ 3,216 | $ 3,597 | $ 3,740 | $ 3,216 | $ 3,740 |

X
- Definition Finite-Lived Intangible Assets Acquired, Disposals + References No definition available. + Details
Name: | ssd_FiniteLivedIntangibleAssetsAcquiredDisposals
Namespace Prefix: | ssd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Finite-Lived Intangible Assets Acquired, Reclassification + References No definition available. + Details
Name: | ssd_FiniteLivedIntangibleAssetsAcquiredReclassification
Namespace Prefix: | ssd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Finite-lived Intangible Assets, Purchase Of Intangibles, Gross + References No definition available. + Details
Name: | ssd_FiniteLivedIntangibleAssetsPurchaseOfIntangiblesGross
Namespace Prefix: | ssd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
Name: | us-gaap_AmortizationOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478859/928-340-50-1 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-3 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) on sale or disposal of intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
Name: | us-gaap_GainLossOnDispositionOfIntangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-1 + Details
Name: | us-gaap_IntangibleAssetsNetExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_UnpatentedTechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ssd_NoncompeteAgreementsTrademarksAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ssd_NoncompeteAgreementsTrademarksAndOtherMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssd_NorthAmericaSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssd_EuropeSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ssd_AsiaPacificSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |