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Goodwill and Intangible Assets
 6 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill
There were no changes to goodwill during the six months ended December 31, 2023.
Intangible Assets, net
The following table presents the components of intangible assets, net:
December 31, 2023June 25, 2023
(in millions of U.S. Dollars)GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
Acquisition related intangible assets (1)
24.0 (22.3)1.7 24.0 (21.7)2.3 
Patent and licensing rights49.2 (27.0)22.2 55.5 (33.9)21.6 
Total intangible assets$73.2 ($49.3)$23.9 $79.5 ($55.6)$23.9 
(1) Relates to developed technology
Total amortization of acquisition-related intangibles assets was $0.3 million and $0.6 million for the three and six months ended December 31, 2023, respectively, and $0.6 million and $1.1 million for the three and six months ended December 25, 2022, respectively.
Total amortization of patents and licensing rights was $1.3 million and $2.3 million for the three and six months ended December 31, 2023, respectively, and $1.1 million and $2.1 million for the three and six months ended December 25, 2022, respectively.
Total future amortization expense of intangible assets is estimated to be as follows:
(in millions of U.S. Dollars)

Fiscal Year Ending
Acquisition Related IntangiblesPatentsTotal
June 30, 2024 (remainder of fiscal 2024)$0.6 $2.2 $2.8 
June 29, 20251.1 3.5 4.6 
June 28, 2026— 2.6 2.6 
June 27, 2027— 1.9 1.9 
June 25, 2028— 1.6 1.6 
Thereafter— 10.4 10.4 
Total future amortization expense$1.7 $22.2 $23.9