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Intangible Assets, net - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 30, 2023 | Sep. 30, 2023 | Jun. 29, 2024 | Dec. 30, 2023
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | $ 552.3 |  | $ 468.7 | $ 552.3
Accumulated Amortization | (132.4) |  | (78.2) | (132.4)
Net Carrying Amount | 419.9 |  | $ 390.5 | $ 419.9
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Operating Expenses | Operating Expenses
Intangible assets not subject to amortization: |  |  |  |
Trademarks | 232.4 |  | $ 215.6 | $ 232.4
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Operating Expenses | Operating Expenses
Intangible Assets, Net (Excluding Goodwill) [Abstract] |  |  |  |
Intangible assets, net | 652.3 |  | $ 606.1 | $ 652.3
Trademarks |  |  |  |
Intangible assets not subject to amortization: |  |  |  |
Trademarks | 242.4 |  | 215.6 | 242.4
Impairment charge | (3.0) | $ (7.0) | 0.0 | (10.0)
Total trademarks | 232.4 |  | 215.6 | 232.4
Customer relationships |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 209.2 |  | 177.5 | 209.2
Accumulated Amortization | (31.5) |  | (15.3) | (31.5)
Net Carrying Amount | 177.7 |  | 162.2 | 177.7
Acquired technologies |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 174.7 |  | 131.0 | 174.7
Accumulated Amortization | (45.3) |  | (19.0) | (45.3)
Net Carrying Amount | 129.4 |  | 112.0 | 129.4
Capitalized software development costs |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 53.9 |  | 50.6 | 53.9
Accumulated Amortization | (15.2) |  | (6.7) | (15.2)
Net Carrying Amount | 38.7 |  | 43.9 | 38.7
Licenses |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 39.7 |  | 35.9 | 39.7
Accumulated Amortization | (7.4) |  | (5.4) | (7.4)
Net Carrying Amount | 32.3 |  | 30.5 | 32.3
Licenses | Willow Laboratories |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 7.5 |  | 7.5 | 7.5
Accumulated Amortization | (6.7) |  | (6.9) | (6.7)
Net Carrying Amount | 0.8 |  | 0.6 | 0.8
Patents |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 39.2 |  | 42.1 | 39.2
Accumulated Amortization | (15.2) |  | (16.4) | (15.2)
Net Carrying Amount | 24.0 |  | 25.7 | 24.0
Trademarks |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 20.1 |  | 19.0 | 20.1
Accumulated Amortization | (7.4) |  | (7.0) | (7.4)
Net Carrying Amount | 12.7 |  | 12.0 | 12.7
Non-compete agreements |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 6.3 |  | 3.4 | 6.3
Accumulated Amortization | (2.6) |  | (0.4) | (2.6)
Net Carrying Amount | 3.7 |  | 3.0 | 3.7
Other |  |  |  |
Intangible assets subject to amortization: |  |  |  |
Gross Carrying Amount | 1.7 |  | 1.7 | 1.7
Accumulated Amortization | (1.1) |  | (1.1) | (1.1)
Net Carrying Amount | $ 0.6 |  | $ 0.6 | $ 0.6

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