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Goodwill and Intangible Assets
6 Months Ended
Dec. 29, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill
Goodwill by reporting unit as of December 29, 2019 was as follows:
(in millions of U.S. Dollars)December 29, 2019
Wolfspeed$349.7  
LED Products180.3  
Total$530.0  

There were no changes in goodwill during the six months ended December 29, 2019.
Intangible Assets, net
The following table presents the components of intangible assets, net:
December 29, 2019June 30, 2019
(in millions of U.S. Dollars)Gross  Accumulated Amortization  Net  Gross  Accumulated Amortization  Net  
Customer relationships$147.8  ($66.9) $80.9  $147.8  ($63.8) $84.0  
Developed technology74.9  (27.0) 47.9  75.9  (24.5) 51.4  
Non-compete agreements12.2  (5.6) 6.6  12.2  (4.1) 8.1  
Trade names, finite-lived0.5  (0.5) —  0.5  (0.5) —  
Acquisition related intangible assets235.4  (100.0) 135.4  236.4  (92.9) 143.5  
Patent and licensing rights112.8  (60.5) 52.3  120.4  (66.0) 54.4  
Total intangible assets$348.2  ($160.5) $187.7  $356.8  ($158.9) $197.9  
Total amortization of acquisition-related intangibles assets was $3.6 million and $7.2 million for the three and six months ended December 29, 2019 and $3.9 million and $7.8 million for the three and six months ended December 30, 2018, respectively. Total amortization of patents and licensing rights was $2.3 million and $4.5 million for the three and six months ended December 29, 2019 and $2.5 million and $4.9 million for the three and six months ended December 30, 2018.
In the first quarter of fiscal 2020, $0.9 million of developed technology, net relating to a favorable lease was reclassified as a right-of-use asset in accordance with the Company's adoption of ASC 842, Leases.
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 28, 2020 (remainder of fiscal 2020)$7.2  $4.4  $11.6  
June 27, 202114.5  8.1  22.6  
June 26, 202213.5  7.3  20.8  
June 25, 202311.0  6.3  17.3  
June 30, 202410.4  5.4  15.8  
Thereafter78.8  20.8  99.6  
Total future amortization expense$135.4  $52.3  $187.7