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Accumulated Other Comprehensive Income Attributable to SMP | 12 Months Ended
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Dec. 31, 2025
Equity [Abstract] |
Accumulated Other Comprehensive Income Attributable to SMP | Accumulated Other Comprehensive Income Attributable to SMP Accumulated other comprehensive income attributable to SMP consists of the following (in thousands):
| Foreign Currency Translation |  | Cash Flow Hedges ⁽ᵃ⁾ |  | Postretirement Benefit Plans |  | Total
Balance at December 31, 2023 | $ | (8,897) |  |  | $ | 2,899 |  |  | $ | 24 |  |  | $ | (5,974) |
Other comprehensive income before reclassifications | (23,385) |  | ⁽ᵇ⁾ | 2,893 |  |  | — |  |  | (20,492) |
Amounts reclassified from accumulated other comprehensive income | — |  |  | (2,524) |  |  | (18) |  |  | (2,542) |
Net other comprehensive income (loss) | (23,385) |  |  | 369 |  |  | (18) |  |  | (23,034) |
Tax amounts | 2,513 |  |  | 656 |  |  | 7 |  |  | 3,176 |
Balance at December 31, 2024 | $ | (29,769) |  |  | $ | 3,924 |  |  | $ | 13 |  |  | $ | (25,832) |
Other comprehensive income before reclassifications | 38,997 |  | ⁽ᶜ⁾ | (4,210) |  |  | — |  |  | 34,787 |
Amounts reclassified from accumulated other comprehensive income | — |  |  | 1,506 |  |  | (16) |  |  | 1,490 |
Net other comprehensive income (loss) | 38,997 |  |  | (2,704) |  |  | (16) |  |  | 36,277 |
Tax amounts | 6,703 |  |  | 703 |  |  | 6 |  |  | 7,412 |
Balance at December 31, 2025 | $ | 15,931 |  |  | $ | 1,923 |  |  | $ | 3 |  |  | $ | 17,857 |
(a) Includes u nrecognized losses relating to the change in fair value of cash flow interest rate hedges of $2.7 million and $1.4 million and cash settlement receipts of $1.5 million ($1.1 million net of tax) and $2.5 million ($1.9 million, net of tax) in the years ended December 31, 2025 and 2024, respectively. (b) Primarily reflects the depreciation of the Danish kroner and Mexican peso. (c) Primarily reflects the appreciation of the Danish kroner.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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