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Goodwill and Intangible Assets
 6 Months Ended
Dec. 27, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
Goodwill
The following table summarizes changes in goodwill during the six months ended December 27, 2020:
(in millions of U.S. Dollars)Total
Balance at June 28, 2020$349.7 
Transfer in connection with LED Business Divestiture (1)
9.5 
Balance at December 27, 2020$359.2 
(1) In the second quarter of fiscal 2021, the Company determined that as part of its goodwill impairment analysis on held for sale assets related to the pending LED Business Divestiture, it was necessary to transfer a portion of goodwill from the former LED Products segment, now classified as discontinued operations, to goodwill associated with continuing operations.
Intangible Assets, net
The following table presents the components of intangible assets, net:
December 27, 2020June 28, 2020
(in millions of U.S. Dollars)GrossAccumulated AmortizationNetGrossAccumulated AmortizationNet
Customer relationships$96.8 ($22.0)$74.8 $96.8 ($19.0)$77.8 
Developed technology68.0 (25.5)42.5 68.0 (22.8)45.2 
Non-compete agreements12.2 (8.6)3.6 12.2 (7.1)5.1 
Acquisition related intangible assets177.0 (56.1)120.9 177.0 (48.9)128.1 
Patent and licensing rights69.7 (41.7)28.0 69.3 (40.5)28.8 
Total intangible assets$246.7 ($97.8)$148.9 $246.3 ($89.4)$156.9 
Total amortization of acquisition-related intangibles assets was $3.6 million and $7.2 million for the three and six months ended December 27, 2020 and $3.6 million and $7.2 million for the three and six months ended December 29, 2019.
Total amortization of patents and licensing rights was $1.4 million and $2.6 million for the three and six months ended December 27, 2020 and $1.2 million and $2.4 million for the three and six months ended December 29, 2019.
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 27, 2021$7.2 $2.6 $9.8 
June 26, 202213.5 4.6 18.1 
June 25, 202311.0 3.9 14.9 
June 30, 202410.4 3.3 13.7 
June 29, 202510.4 2.5 12.9 
Thereafter68.4 11.1 79.5 
Total future amortization expense$120.9 $28.0 $148.9