| Schedule of Accumulated Other Comprehensive by Component |
Accumulated other comprehensive income attributable to SMP consists of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2026 | | Foreign
Currency
Translation | | Cash Flow Hedges (a) | | Postretirement
Benefit Plans | | Total | | Balance at December 31, 2025 | $ | 15,931 | | | $ | 1,923 | | | $ | 3 | | | $ | 17,857 | | | Other comprehensive income (loss) before reclassifications | (6,535) | | (b) | 1,614 | | | — | | | (4,921) | | | Amounts reclassified from accumulated other comprehensive income (loss) | — | | | 202 | | | (1) | | | 201 | | | Net other comprehensive income (loss) | (6,535) | | | 1,816 | | | (1) | | | (4,720) | | | Tax amounts | (1,002) | | | (472) | | | 1 | | | (1,473) | | | Balance at March 31, 2026 | $ | 8,394 | | | $ | 3,267 | | | $ | 3 | | | $ | 11,664 | | | Other comprehensive income (loss) before reclassifications | (1,786) | | (b) | (56) | | | — | | | (1,842) | | | Amounts reclassified from accumulated other comprehensive income (loss) | — | | | 196 | | | (1) | | | 195 | | | Net other comprehensive income (loss) | (1,786) | | | 140 | | | (1) | | | (1,647) | | | Tax amounts | (411) | | | (37) | | | — | | | (448) | | | Balance at June 30, 2026 | $ | 6,197 | | | $ | 3,370 | | | $ | 2 | | | $ | 9,569 | | | Other comprehensive income (loss) before reclassifications | (3,460) | | (c) | 3,754 | | | — | | | 294 | | | Amounts reclassified from accumulated other comprehensive income (loss) | — | | | 251 | | | (2) | | | 249 | | | Net other comprehensive income (loss) | (3,460) | | | 4,005 | | | (2) | | | 543 | | | Tax amounts | (276) | | | (1,041) | | | 1 | | | (1,316) | | | Balance at September 30, 2026 | $ | 2,461 | | | $ | 6,334 | | | $ | 1 | | | $ | 8,796 | |
(a)Consists of the unrecognized gain relating to the change in fair value of cash flow interest rate hedges of $4.0 million ($3.0 million, net of tax) and $6.0 million ($4.4 million, net of tax) in the three and nine months ended September 30, 2026, respectively; and cash settlement receipts of $0.3 million ($0.2 million, net of tax) and $0.6 million ($0.5 million, net of tax) in the three and nine months ended September 30, 2026, respectively. (b)Foreign currency translation primarily reflects the depreciation of the Danish kroner. (c)Foreign currency translation primarily reflects the depreciation of the Polish zloty, Danish kroner and Mexican peso. | | | | | | | | | | | | | | | | | | | | | | | | | Nine Months Ended September 30, 2025 | | Foreign
Currency
Translation | | Cash Flow Hedges (a) | | Postretirement
Benefit Plans | | Total | | Balance at December 31, 2024 | $ | (29,769) | | | $ | 3,924 | | | $ | 13 | | | $ | (25,832) | | Other comprehensive income (loss) before reclassifications | 10,881 | | (b) | (1,542) | | | $ | — | | | 9,339 | | Amounts reclassified from accumulated other comprehensive income | — | | | 412 | | | (4) | | | 408 | | | Net other comprehensive income (loss) | 10,881 | | | (1,130) | | | (4) | | | 9,747 | | | Tax amounts | 2,134 | | | 294 | | | 2 | | | 2,430 | | | Balance at March 31, 2025 | $ | (16,754) | | | $ | 3,088 | | | $ | 11 | | | $ | (13,655) | | Other comprehensive income (loss) before reclassifications | 27,390 | | (b) | (2,428) | | | — | | | 24,962 | | Amounts reclassified from accumulated other comprehensive income | — | | | 443 | | | (4) | | | 439 | | | Net other comprehensive income (loss) | 27,390 | | | (1,985) | | | (4) | | | 25,401 | | | Tax amounts | 4,562 | | | 516 | | | 1 | | | 5,079 | | | Balance at June 30, 2025 | $ | 15,198 | | | $ | 1,619 | | | $ | 8 | | | $ | 16,825 | | Other comprehensive income (loss) before reclassifications | (2,265) | | (c) | (337) | | | — | | | (2,602) | | Amounts reclassified from accumulated other comprehensive income | — | | | 374 | | | (4) | | | 370 | | | Net other comprehensive income (loss) | (2,265) | | | 37 | | | (4) | | | (2,232) | | | Tax amounts | (30) | | | (10) | | | 2 | | | (38) | | | Balance at September 30, 2025 | $ | 12,903 | | | $ | 1,646 | | | $ | 6 | | | $ | 14,555 | |
(a)In the three months ended September 30, 2025, there was no change in the fair value of cash flow interest rate hedges, and cash settlement payments of $0.3 million ($0.2 million, net of tax) were recorded in other comprehensive income (loss) before reclassifications. In the nine months ended September 30, 2025. other comprehensive income (loss) before reclassifications consists of a $3.1 million ($2.3 million, net of tax) unrecognized loss relating to the change in fair value of cash flow interest rate hedges and cash settlement payments of $1.2 million ($0.9 million, net of tax). (b)Foreign currency translation primarily reflects the appreciation of the Danish kroner. (c)Foreign currency translation primarily reflects the depreciation of the Danish kroner and Canadian dollar, partly offset by appreciation of the Mexican peso.
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