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Acquisitions, Divestiture and Investment - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions | Jun. 25, 2022 | Dec. 25, 2021 | Jun. 26, 2021 | Jul. 31, 2020 | Jul. 23, 2020 | Jun. 27, 2020
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Business Acquisition [Line Items] |  |  |  |  |  |
Goodwill | $ 806.6 |  | $ 570.0 |  |  | $ 360.8
Display Link Corporation Member |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash and cash equivalents |  |  |  | $ 40.9 |  |
Short-term investments |  |  |  | 94.0 |  |
Accounts receivable, net |  |  |  | 7.1 |  |
Inventory |  |  |  | 33.1 |  |
Prepaid expenses and other current assets |  |  |  | 9.1 |  |
Property and equipment |  |  |  | 6.8 |  |
Intangible assets |  |  |  | 193.0 |  |
Right-of-use lease asset |  |  |  | 20.0 |  |
Non-current other assets |  |  |  | 0.6 |  |
Total identifiable assets acquired |  |  |  | 404.6 |  |
Accounts payable |  |  |  | (5.2) |  |
Other accrued liabilities |  |  |  | (9.1) |  |
Short-term lease liabilities |  |  |  | (1.7) |  |
Long-term lease liabilities |  |  |  | (18.2) |  |
Other long-term liabilities |  |  |  | (32.8) |  |
Total liabilities |  |  |  | (67.0) |  |
Net identifiable assets acquired |  |  |  | 337.6 |  |
Goodwill |  |  | $ 0.9 | 106.4 |  |
Net assets acquired |  |  |  | $ 444.0 |  |
Broadcom Member |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Property and equipment |  |  |  |  | $ 1.0 |
Intangible assets |  |  |  |  | 123.0 |
Total identifiable assets acquired |  |  |  |  | 124.0 |
Goodwill |  |  |  |  | 102.8 |
Net assets acquired |  |  |  |  | 226.6 |
Liabilities assumed |  |  |  |  | $ (0.2) |
DSPG Member |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Cash and cash equivalents | 40.5 |  |  |  |  |
Short-term investments | 71.9 |  |  |  |  |
Accounts receivable, net | 12.9 |  |  |  |  |
Inventory | 22.6 |  |  |  |  |
Prepaid expenses and other current assets | 4.0 |  |  |  |  |
Property and equipment | 5.9 |  |  |  |  |
Intangible assets | 212.0 |  |  |  |  |
Right-of-use lease asset | 9.8 |  |  |  |  |
Severance pay fund | 16.2 |  |  |  |  |
Deferred tax asset | 6.7 | $ 0.3 |  |  |  |
Non-current other assets | 2.3 | 35.6 |  |  |  |
Total identifiable assets acquired | 404.8 |  |  |  |  |
Accounts payable | (6.7) |  |  |  |  |
Other accrued liabilities | (19.8) |  |  |  |  |
Short-term lease liabilities | 1.5 |  |  |  |  |
Long-term lease liabilities | (8.2) |  |  |  |  |
Accrued severance | (16.4) |  |  |  |  |
Deferred tax liability | (39.4) | (38.1) |  |  |  |
Other long-term liabilities | (6.1) | (29.1) |  |  |  |
Total liabilities | (98.1) |  |  |  |  |
Net identifiable assets acquired | 306.7 |  |  |  |  |
Goodwill | 236.6 | $ 256.6 |  |  |  |
Net assets acquired | $ 543.3 |  |  |  |  |

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