Intangible Assets - Schedule of Components of Intangible Assets (Details) - USD ($) $ in Millions |
Mar. 29, 2026 |
Jun. 29, 2025 |
|---|---|---|
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | $ 448.0 | $ 50.5 |
| Accumulated Amortization | (38.8) | (26.7) |
| Net | 409.2 | 23.8 |
| Fresh start accounting-related intangible assets | ||
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | 388.0 | 0.0 |
| Accumulated Amortization | (28.7) | 0.0 |
| Net | 359.3 | 0.0 |
| Customer relationships | ||
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | 120.0 | 0.0 |
| Accumulated Amortization | (6.6) | 0.0 |
| Net | 113.4 | 0.0 |
| Developed technology | ||
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | 240.0 | 0.0 |
| Accumulated Amortization | (20.8) | 0.0 |
| Net | 219.2 | 0.0 |
| Trade names | ||
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | 28.0 | 0.0 |
| Accumulated Amortization | (1.3) | 0.0 |
| Net | 26.7 | 0.0 |
| Patent and licensing rights | ||
| Intangible Asset, Acquired, Finite-Lived [Line Items] | ||
| Gross | 60.0 | 50.5 |
| Accumulated Amortization | (10.1) | (26.7) |
| Net | $ 49.9 | $ 23.8 |