Changes in accumulated other comprehensive income (loss) by component, net of tax, for the six months ended June 30, 2026 consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | Non- | | | | Accumulated | | | | | | | Post- | | Qualified | | | | Other | | | | Pension | | Retirement | | Pension | | | | Comprehensive | | (In millions) | | Benefits | | Benefits | | Benefits | | Other | | Income (Loss) | | Balance at December 31, 2025 | | $ | (8.6) | | $ | 8.9 | | $ | (0.7) | | $ | 2.0 | | $ | 1.6 | | Amortization of prior service credit | | | — | | | (0.4) | | | — | | | — | | | (0.4) | | Amortization of net actuarial gain (loss) | | | — | | | (0.1) | | | — | | | — | | | (0.1) | | Foreign currency exchange | | | — | | | — | | | — | | | (0.2) | | | (0.2) | | Other adjustments | | | — | | | — | | | — | | | 0.2 | | | 0.2 | | Balance at March 31, 2026 | | | (8.6) | | | 8.4 | | | (0.7) | | | 2.0 | | | 1.1 | | Amortization of prior service credit | | | — | | | (0.4) | | | — | | | — | | | (0.4) | | Amortization of net actuarial loss | | | — | | | (0.1) | | | — | | | — | | | (0.1) | | Foreign currency exchange | | | — | | | — | | | — | | | (1.9) | | | (1.9) | | Balance at June 30, 2026 | | $ | (8.6) | | $ | 7.9 | | $ | (0.7) | | $ | 0.1 | | $ | (1.3) | |
Changes in accumulated other comprehensive income (loss) by component, net of tax, for the six months ended June 30, 2025 consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | Non- | | | | Accumulated | | | | | | | Post- | | Qualified | | | | Other | | | | Pension | | Retirement | | Pension | | | | Comprehensive | | (In millions) | | Benefits | | Benefits | | Benefits | | Other | | Income (Loss) | | Balance at December 31, 2024 | | $ | (14.0) | | $ | 8.1 | | $ | (0.4) | | $ | (0.2) | | $ | (6.5) | | Amortization of prior service credit | | | — | | | (0.7) | | | — | | | — | | | (0.7) | | Amortization of net actuarial gain (loss) | | | — | | | (0.1) | | | — | | | — | | | (0.1) | | Foreign currency exchange | | | — | | | — | | | — | | | 0.3 | | | 0.3 | | Other adjustments | | | — | | | — | | | — | | | 0.2 | | | 0.2 | | Balance at March 31, 2025 | | | (14.0) | | | 7.3 | | | (0.4) | | | 0.3 | | | (6.8) | | Amortization of prior service credit | | | — | | | (0.7) | | | — | | | — | | | (0.7) | | Amortization of net actuarial gain (loss) | | | — | | | (0.2) | | | — | | | — | | | (0.2) | | Foreign currency exchange | | | — | | | — | | | — | | | 1.4 | | | 1.4 | | Balance at June 30, 2025 | | $ | (14.0) | | $ | 6.4 | | $ | (0.4) | | $ | 1.7 | | $ | (6.3) | |
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