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Intangible Assets
 12 Months Ended
Jun. 29, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible assets, net included the following:
June 29, 2025June 30, 2024
(in millions of U.S. Dollars)GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
Intangible assets:
Developed technology$— $— $— $24.0 $(22.8)$1.2 
Acquisition related intangible assets— — — 24.0 (22.8)1.2 
Patent and licensing rights50.5 (26.7)23.8 49.8 (27.1)22.7 
Total intangible assets$50.5 ($26.7)$23.8 $73.8 ($49.9)$23.9 
Total amortization of acquisition-related intangible assets was $1.2 million, $1.1 million and $1.7 million and total amortization of patents and licensing rights was $4.2 million, $4.4 million and $4.2 million for the years ended June 29, 2025, June 30, 2024 and June 25, 2023, respectively.
The Company invested $5.3 million, $5.9 million and $4.9 million for the years ended June 29, 2025, June 30, 2024 and June 25, 2023, respectively, for patent and licensing rights. For the fiscal years ended June 29, 2025, June 30, 2024 and June 25, 2023, the Company recognized $0.0 million, $0.2 million and $0.1 million, respectively, in impairment charges related to its patent portfolio.
Total future amortization expense of intangible assets is estimated to be as follows:
(in millions of U.S. Dollars)

Fiscal Year Ending
Patents
June 28, 2026$3.4 
June 27, 20272.7 
June 25, 20282.3 
June 24, 20292.1 
June 30, 20301.9 
Thereafter11.4 
Total future amortization expense$23.8