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Acquisitions - Narrative (Details) $ in Millions |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 27, 2025 shares | May 08, 2025 USD ($) shares | Feb. 04, 2025 USD ($) shares | Oct. 03, 2024 USD ($) shares | Feb. 27, 2024 shares | Oct. 03, 2023 USD ($) shares | Sep. 28, 2025 USD ($) | Sep. 28, 2025 USD ($) | Sep. 29, 2024 USD ($) | Jan. 27, 2025 USD ($) | Dec. 29, 2024 USD ($) | May 23, 2022
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares | 14,935,065 |  |  |  | 19,166,667 |  |  |  |  |  |  |
Issuance of common stock for equity raise |  |  |  |  |  |  |  | $ 555.9 | $ 330.7 |  |  |
Current liabilities |  |  | $ 4.0 |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | $ 595.0 | 595.0 |  |  | $ 568.9 |
Fair Value, Inputs, Level 3 | Discount rate | Income approach |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |  |  |  |  | 0.085
Fair Value, Inputs, Level 3 | Royalty rate | Income approach | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |  |  |  |  | 0.085
Fair Value, Inputs, Level 3 | Royalty rate | Income approach | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  |  |  |  |  |  |  |  |  |  | 0.085
Norden Millimeter Inc |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in transaction (in shares) | shares |  |  | 1,095,674 |  |  |  |  |  |  |  |  |
Issuance of common stock for equity raise |  |  | $ 32.2 |  |  |  |  |  |  |  |  |
Additional equity interests issuable |  |  | 6.0 |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  | 6.3 | 17.0 |  |  |  |
Operating income |  |  |  |  |  |  | $ (0.2) | $ 2.4 |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | $ 26.1 |  |
Accounts receivable |  |  |  |  |  |  |  |  |  | $ 2.1 |  |
Norden Millimeter Inc | Trade names |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | $ 0.6 |  |  |  |  |  |  |  |  |
Useful life |  |  | 7 years |  |  |  |  |  |  |  |  |
Norden Millimeter Inc | Customer relationships |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | $ 6.7 |  |  |  |  |  |  |  |  |
Useful life |  |  | 10 years |  |  |  |  |  |  |  |  |
Norden Millimeter Inc | Contracts and backlog |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | $ 1.6 |  |  |  |  |  |  |  |  |
Useful life |  |  | 2 years |  |  |  |  |  |  |  |  |
Norden Millimeter Inc | Developed technology |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | $ 1.4 |  |  |  |  |  |  |  |  |
Useful life |  |  | 5 years |  |  |  |  |  |  |  |  |
Norden Millimeter Inc | Non-compete Agreements |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets acquired |  |  | $ 0.5 |  |  |  |  |  |  |  |  |
Useful life |  |  | 5 years |  |  |  |  |  |  |  |  |
Sierra Technical Services, Inc |  |  |  |  |  |  |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | shares |  | 129,336 |  | 42,523 |  | 866,026 |  |  |  |  |  |
Business acquisition, common stock value acquired |  | $ 4.4 |  | $ 1.1 |  | $ 12.8 |  |  |  |  |  |
Business combination, recognized identifiable assets acquired and liabilities assumed, net |  |  |  |  |  | 12.6 |  |  |  |  |  |
Goodwill |  |  |  |  |  | 10.7 |  |  |  |  |  |
Accounts receivable |  |  |  |  |  | 11.0 |  |  |  |  |  |
Finite-lived intangible assets acquired |  |  |  |  |  | 14.0 |  |  |  |  |  |
Deferred revenue |  |  |  |  |  | $ 11.4 |  |  |  |  |  |

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