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| Six Months Ended June 28, 2026 |
| Pension and Postretirement Amounts | | Derivative Instruments | | Available- for-Sale Securities | | Foreign Currency Translation Adjustments | | Total AOCL |
| Balance, December 28, 2025 | $ | (7.2) | | | $ | (21.1) | | | $ | (0.1) | | | $ | (189.1) | | | $ | (217.5) | |
| Other comprehensive earnings (loss), before reclassifications, before tax | (0.3) | | | 4.8 | | | 0.1 | | | (2.8) | | | 1.8 | |
| Income tax expense | 0.1 | | | (0.6) | | | — | | | — | | | (0.5) | |
| Other comprehensive earnings (loss), before reclassifications | (0.2) | | | 4.2 | | | 0.1 | | | (2.8) | | | 1.3 | |
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| Reclassification from AOCL to earnings, before tax | — | | | 5.3 | | | — | | | — | | | 5.3 | |
| Income tax expense | — | | | (1.0) | | | — | | | — | | | (1.0) | |
| Reclassifications from AOCL to earnings | — | | | 4.3 | | | — | | | — | | | 4.3 | |
| Other comprehensive earnings (loss) | (0.2) | | | 8.5 | | | 0.1 | | | (2.8) | | | 5.6 | |
| Balance, June 28, 2026 | $ | (7.4) | | | $ | (12.6) | | | $ | — | | | $ | (191.9) | | | $ | (211.9) | |
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| Three Months Ended June 29, 2025 |
| Pension and Postretirement Amounts | | Derivative Instruments | | Available- for-Sale Securities | | Foreign Currency Translation Adjustments | | Total AOCL |
| Balance at Balance, March 30, 2025 | $ | (8.0) | | | $ | (12.5) | | | $ | (0.1) | | | $ | (219.0) | | | $ | (239.6) | |
| Other comprehensive (loss) earnings, before reclassifications, before tax | — | | | (11.8) | | | — | | | 24.1 | | | 12.3 | |
| Income tax benefit | — | | | 1.4 | | | — | | | — | | | 1.4 | |
| Other comprehensive (loss) earnings, before reclassifications | — | | | (10.4) | | | — | | | 24.1 | | | 13.7 | |
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| Reclassification from AOCL to earnings, before tax | — | | | (0.8) | | | — | | | — | | | (0.8) | |
| Income tax benefit | — | | | 0.1 | | | — | | | — | | | 0.1 | |
| Reclassifications from AOCL to earnings | — | | | (0.7) | | | — | | | — | | | (0.7) | |
| Other comprehensive (loss) earnings | — | | | (11.1) | | | — | | | 24.1 | | | 13.0 | |
| Balance at June 29, 2025 | $ | (8.0) | | | $ | (23.6) | | | $ | (0.1) | | | $ | (194.9) | | | $ | (226.6) | |
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| Six Months Ended June 29, 2025 |
| Pension and Postretirement Amounts | | Derivative Instruments | | Available- for-Sale Securities | | Foreign Currency Translation Adjustments | | Total AOCL |
| Balance, December 29, 2024 | $ | (8.0) | | | $ | (9.1) | | | $ | (0.1) | | | $ | (229.2) | | | $ | (246.4) | |
| Other comprehensive (loss) earnings, before reclassifications, before tax | — | | | (15.9) | | | — | | | 34.3 | | | 18.4 | |
| Income tax benefit | — | | | 2.8 | | | — | | | — | | | 2.8 | |
| Other comprehensive (loss) earnings, before reclassifications | — | | | (13.1) | | | — | | | 34.3 | | | 21.2 | |
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| Reclassification from AOCL to earnings, before tax | — | | | (1.7) | | | — | | | — | | | (1.7) | |
| Income tax benefit | — | | | 0.3 | | | — | | | — | | | 0.3 | |
| Reclassifications from AOCL to earnings | — | | | (1.4) | | | — | | | — | | | $ | (1.4) | |
| Other comprehensive (loss) earnings | — | | | (14.5) | | | — | | | 34.3 | | | 19.8 | |