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Intangible Assets, net
 12 Months Ended
Jan. 03, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net
9. Intangible Assets, net
Intangible assets, net, consist of the following:
January 3,
2026		December 28,
2024
(in millions)Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Gross Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount
Intangible assets subject to amortization:
Patents$46.6 $(19.8)$26.8 $44.0 $(17.5)$26.5 
Acquired technologies28.6 (20.7)7.9 27.9 (15.8)12.1 
Customer relationships24.6 (14.7)9.9 24.6 (13.3)11.3 
Trademarks14.0 (9.2)4.8 13.7 (7.2)6.5 
Licenses-related party7.5 (7.4)0.1 7.5 (7.1)0.4 
Licenses2.3 (1.6)0.7 2.3 (1.2)1.1 
Other6.6 (4.7)1.9 8.1 (4.4)3.7 
Total intangible assets subject to amortization, net$130.2 $(78.1)$52.1 $128.1 $(66.5)$61.6 
Finite lived intangible assets have a weighted-average amortization period ranging from eleven years to fourteen years. Total amortization expense for the years ended January 3, 2026, December 28, 2024 and December 30, 2023, was $13.3 million, $18.4 million and $9.5 million, respectively.
The total costs of patents not yet amortizing for the years ended January 3, 2026 and December 28, 2024, was $12.2 million $13.0 million and $12.1 million, respectively.
The total costs of trademarks not yet amortizing for the years ended January 3, 2026 and December 28, 2024, was $0.5 million, $0.8 million and $1.0 million, respectively.
Total renewal costs capitalized for patents and trademarks for the years ended January 3, 2026 and December 28, 2024 were $1.2 million and $1.2 million, respectively. As of January 3, 2026, the weighted-average number of years until the next renewal was two years for patents and six years for trademarks.
Estimated amortization expense for each of the next fiscal years is as follows:
Fiscal year
Amount
(in millions)
2026$6.9 
20275.9 
20285.2 
20294.7 
20304.3 
Thereafter25.1 
Total$52.1 
Indefinite-lived intangible assets are subject to annual impairment testing, unless circumstances dictate more frequent testing, if impairment indicators exist. For goodwill, the Company performs a qualitative assessment during the fourth quarter of each year, for its annual impairment analysis. In the fourth quarter of 2025, the Company performed its annual impairment analysis, and concluded that it was more likely than not that the fair value was greater than its carrying value. Accordingly, no further testing was required.