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Goodwill and Purchased Intangible Assets - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023 | Oct. 01, 2023
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 1,370.7 | $ 1,370.7 | $ 1,416.4 |
Goodwill impairment charge |  | 38.7 |  |
Intangible asset impairments | 51.6 | 51.6 |  |
Purchased intangible assets, net | 783.6 | 783.6 | 830.2 |
Amortization of purchased intangible assets | 15.7 | 31.3 |  |
Defense |  |  |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | 5.7 | 5.7 | $ 44.4 |
Goodwill impairment charge |  | 38.7 |  |
Defense | Pratt Miller [Member] |  |  |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Reporting unit, percentage of fair value in excess of carrying amount |  |  | 10.00% |
Goodwill | $ 5.7 | $ 5.7 |  |
Weighted-average cost of capital (as a percent) | 13.00% | 13.00% |  | 14.00%
Terminal growth rate (as a percent) | 3.00% | 3.00% |  | 3.00%
Goodwill impairment charge | $ 38.7 | $ 38.7 |  |
Purchased intangible assets, net | 19.2 | 19.2 |  |
Defense | Trade Names | Pratt Miller [Member] |  |  |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Intangible asset impairments | 8.8 | 8.8 |  |
Defense | Customer Relationships | Pratt Miller [Member] |  |  |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Intangible asset impairments | 4.1 | 4.1 |  |
Cost of Sales |  |  |  |
Acquired Finite Lived Intangible Assets [Line Items] |  |  |  |
Amortization of purchased intangible assets | $ 2.1 | $ 4.2 |  |

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