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Accumulated Other Comprehensive Loss (Tables) | 6 Months Ended
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Mar. 30, 2024
Accumulated Other Comprehensive Income [Abstract] |
Changes in Accumulated Other Comprehensive Income | The following tables summarize the changes in accumulated balances of other comprehensive income (loss) for the periods presented:
| Three Months Ended March 30, 2024 |  | Six Months Ended March 30, 2024
| Foreign Currency Translation |  | Pension Plans |  |  |  | Hedged Interest Rate Swaps |  | Total |  | Foreign Currency Translation |  | Pension Plans |  |  |  | Hedged Interest Rate Swaps |  | Total
Beginning Balance | $ | (125.0) |  |  | $ | 0.3 |  |  |  |  | $ | 5.9 |  |  | $ | (118.8) |  |  | $ | (168.0) |  |  | $ | 0.3 |  |  |  |  | $ | 20.1 |  |  | $ | (147.6) |
Other comprehensive income (loss) before reclassifications | (22.8) |  |  | — |  |  |  |  | 4.6 |  |  | (18.2) |  |  | 20.2 |  |  | — |  |  |  |  | (9.6) |  |  | 10.6 |
Ending Balance | $ | (147.8) |  |  | $ | 0.3 |  |  |  |  | $ | 10.5 |  |  | $ | (137.0) |  |  | $ | (147.8) |  |  | $ | 0.3 |  |  |  |  | $ | 10.5 |  |  | $ | (137.0) |
| Three Months Ended April 1, 2023 |  | Six Months Ended April 1, 2023
| Foreign Currency Translation |  |  |  | Pension Plans |  |  |  | Hedged Interest Rate Swaps |  | Total |  | Foreign Currency Translation |  | Pension Plans |  |  |  | Hedged Interest Rate Swaps |  | Total
Beginning Balance | $ | (153.4) |  |  |  |  | $ | (0.3) |  |  |  |  | $ | 26.4 |  |  | $ | (127.3) |  |  | $ | (267.2) |  |  | $ | (0.3) |  |  |  |  | $ | 29.3 |  |  | $ | (238.2) |
Other comprehensive income (loss) before reclassifications | 15.3 |  |  |  |  | — |  |  |  |  | (6.4) |  |  | 8.9 |  |  | 129.1 |  |  | — |  |  |  |  | (9.3) |  |  | 119.8 |
Ending Balance | $ | (138.1) |  |  |  |  | $ | (0.3) |  |  |  |  | $ | 20.0 |  |  | $ | (118.4) |  |  | $ | (138.1) |  |  | $ | (0.3) |  |  |  |  | $ | 20.0 |  |  | $ | (118.4) |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481694/830-30-45-20 + Details
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