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v3.23.3

Restructuring Charges (Tables) | 12 Months Ended
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Sep. 30, 2023
Restructuring and Related Activities [Abstract] |
Charges Taken Related to Restructuring Actions | The following table displays charges taken related to restructuring actions in fiscal 2023, 2022 and 2021 and a rollforward of the charges to the accrued balances as of September 30, 2023:
|  | Fiscal 2023 Actions |  | Fiscal 2022 Actions |  | Fiscal 2021 Actions |  | Other |  |  |  | Total
Restructuring Charges |  |  |  |  |  |  |  |  |  |  |  |
Fiscal 2021 charges: |  |  |  |  |  |  |  |  |  |  |  |
Workforce reductions |  | $ | — |  |  | $ | — |  |  | $ | 8.7 |  |  | $ | 0.6 |  |  |  |  | $ | 9.3 |
Fiscal 2021 restructuring charges |  | $ | — |  |  | $ | — |  |  | $ | 8.7 |  |  | $ | 0.6 |  |  |  |  | $ | 9.3 |
Fiscal 2022 charges: |  |  |  |  |  |  |  |  |  |  |  |
Workforce reductions |  | $ | — |  |  | $ | 2.6 |  |  | $ | (0.3) |  |  | $ | (0.4) |  |  |  |  | $ | 1.9 |
Facility closure costs |  | — |  |  | 0.5 |  |  | — |  |  | — |  |  |  |  | 0.5 |
Fiscal 2022 restructuring charges |  | $ | — |  |  | $ | 3.1 |  |  | $ | (0.3) |  |  | $ | (0.4) |  |  |  |  | $ | 2.4 |
Fiscal 2023 charges: |  |  |  |  |  |  |  |  |  |  |  |
Workforce reductions |  | $ | 5.5 |  |  | $ | 6.0 |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 11.5 |
Other costs |  | — |  |  | 0.5 |  |  | — |  |  | — |  |  |  |  | 0.5 |
Fiscal 2023 restructuring charges |  | $ | 5.5 |  |  | $ | 6.5 |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 12.0 |
Charges Taken Related to Accrued Restructuring Actions |
|  | Fiscal 2023 Actions |  | Fiscal 2022 Actions |  | Fiscal 2021 Actions |  |  |  | Previous Other Charges |  | Total
Rollforward of Accrued Restructuring |  |  |  |  |  |  |  |  |  |  |  |
Balance as of September 26, 2020 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  |  |  | $ | 4.5 |  |  | $ | 4.5 |
Fiscal 2021 restructuring charges |  | $ | — |  |  | $ | — |  |  | $ | 8.7 |  |  |  |  | $ | 0.6 |  |  | $ | 9.3 |
Stock-based compensation |  | — |  |  | — |  |  | (0.9) |  |  |  |  | — |  |  | (0.9) |
Severance payments and adjustments |  | — |  |  | — |  |  | (4.6) |  |  |  |  | (4.2) |  |  | (8.8) |
Balance as of September 25, 2021 |  | $ | — |  |  | $ | — |  |  | $ | 3.2 |  |  |  |  | $ | 0.9 |  |  | $ | 4.1 |
Fiscal 2022 restructuring charges |  | $ | — |  |  | $ | 3.1 |  |  | $ | (0.3) |  |  |  |  | $ | (0.4) |  |  | $ | 2.4 |
Severance payments and adjustments |  | — |  |  | (0.4) |  |  | (2.5) |  |  |  |  | (0.5) |  |  | (3.4) |
Balance as of September 24, 2022 |  | $ | — |  |  | $ | 2.7 |  |  | $ | 0.4 |  |  |  |  | $ | — |  |  | $ | 3.1 |
Fiscal 2023 restructuring charges |  | $ | 5.5 |  |  | $ | 6.5 |  |  | $ | — |  |  |  |  | $ | — |  |  | $ | 12.0 |
Severance payments and adjustments |  | (3.2) |  |  | (2.5) |  |  | (0.4) |  |  |  |  | — |  |  | (6.1) |
Balance as of September 30, 2023 |  | $ | 2.3 |  |  | $ | 6.7 |  |  | $ | — |  |  |  |  | $ | — |  |  | $ | 9.0 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482017/420-10-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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