Acquired Intangibles

12 Months Ended

Jun. 27, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

5.	Acquired Intangibles

The following table summarizes the life, the gross carrying value of our acquired intangible assets, and the related accumulated amortization as of the end of fiscal 2020 and 2019 (in millions):

			2020							2019
	Weighted Average Life in Years		Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
Display driver technology		5.3	$	164.0	$	(158.2	)	$	5.8	$	164.0	$	(148.1	)	$	15.9
Audio and video technology		5.4		138.6		(76.5	)		62.1		138.6		(49.4	)		89.2
Customer relationships		4.1		81.8		(61.4	)		20.4		81.8		(49.9	)		31.9
Fingerprint authentication technology	Not applicable			—		—			—		47.2		(47.2	)		—
Licensed technology and other		4.2		7.7		(5.5	)		2.2		7.7		(3.6	)		4.1
Patents		8.0		4.4		(2.6	)		1.8		4.4		(2.0	)		2.4
Tradename		7.0		1.8		(0.7	)		1.1		1.8		(0.5	)		1.3
Acquired intangibles, gross		5.1	$	398.3	$	(304.9	)	$	93.4	$	445.5	$	(300.7	)	$	144.8

In fiscal 2020, there was $47.2 million of fingerprint authentication technology retired which was fully amortized. In fiscal 2019, there was $8.5 million of fingerprint developed technology, $1.3 million of licensed technology and other, $0.5 million of backlog and $0.2 million of patents retired which were fully amortized.

Amortization expense is calculated using the straight-line method over the estimated useful lives of the acquired intangibles. The total amortization expense for the acquired intangible assets was $51.4 million in fiscal 2020, $74.4 million in fiscal 2019, and $83.9 million in fiscal 2018. This amortization expense was included in our consolidated statements of operations as acquired intangibles amortization and cost of revenue.

The following table presents expected annual aggregate amortization expense in future fiscal years (in millions):

2021	$	37.5
2022		32.9
2023		20.4
2024		2.5
2025		0.1
Future amortization	$	93.4