Acquisitions - Narrative (Details) $ in Millions				12 Months Ended
	Jun. 27, 2025 shares	Feb. 04, 2025 USD ($) shares	Feb. 27, 2024 shares	Dec. 28, 2025 USD ($)	Dec. 29, 2024 USD ($)	Dec. 31, 2023 USD ($)	Jan. 27, 2025 USD ($)	Oct. 03, 2024 USD ($)	Oct. 03, 2023 USD ($) shares	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	$ 14.8
Goodwill				595.7	$ 568.9
Level 3 | Discount Rate | Income Approach
Business Combination [Line Items]
Discount rate										0.075
Level 3 | Discount Rate | Income Approach | Minimum
Business Combination [Line Items]
Discount rate		0.06
Level 3 | Discount Rate | Income Approach | Maximum
Business Combination [Line Items]
Discount rate		0.12
Level 3 | Royalty Rate | Income Approach | Minimum
Business Combination [Line Items]
Discount rate										0.088
Level 3 | Royalty Rate | Income Approach | Maximum
Business Combination [Line Items]
Discount rate										0.088
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
Contingent bonus liability							$ 5.0
Business combination, pro forma information, revenue of acquiree since acquisition date, actual				22.3
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual				$ 2.6
Goodwill							26.9
Accounts receivable							$ 1.8
Norden Millimeter Inc | Trade names
Business Combination [Line Items]
Finite-lived intangible assets acquired		$ 0.6
Acquired finite-lived intangible assets, weighted average useful life		7 years
Norden Millimeter Inc | Customer relationships
Business Combination [Line Items]
Finite-lived intangible assets acquired		$ 5.8
Acquired finite-lived intangible assets, weighted average useful life		10 years
Norden Millimeter Inc | Contracts and backlog
Business Combination [Line Items]
Finite-lived intangible assets acquired		$ 1.4
Acquired finite-lived intangible assets, weighted average useful life		2 years
Norden Millimeter Inc | Developed technology and technical know-how
Business Combination [Line Items]
Finite-lived intangible assets acquired		$ 1.4
Acquired finite-lived intangible assets, weighted average useful life		5 years
Norden Millimeter Inc | Non-compete Agreements
Business Combination [Line Items]
Finite-lived intangible assets acquired		$ 0.5
Acquired finite-lived intangible assets, weighted average useful life		5 years
Sierra Technical Services Inc
Business Combination [Line Items]
Additional equity interests issuable								$ 1.1
Number of common stock shares acquired (in shares) | shares									866,026
Business acquisition, common stock value acquired									$ 12.8
Number of additional common shares to be acquired (in shares) | shares									42,523
Business combination, net assets									$ 12.6
Goodwill									10.7
Accounts receivable									11.0
Finite-lived intangible assets acquired									14.0
Deferred revenue									$ 11.4