Note 10. Acquired Developed Technology and Other Intangibles

The following tables present details of the Company’s acquired developed technology, customer relationships and other intangibles (in millions):



As of March 30, 2019	Gross Carrying Amount		Accumulated Amortization			Net
Acquired developed technology	$	487.0	$	(356.0	)	$	131.0
Customer relationships	188.7		(121.3		)	67.4
Other ⁽¹⁾	37.2		(17.1		)	20.1
Total intangibles	$	712.9	$	(494.4	)	$	218.5



As of June 30, 2018	Gross Carrying Amount		Accumulated Amortization			Net
Acquired developed technology	$	447.8	$	(326.4	)	$	121.4
Customer relationships	175.4		(97.1		)	78.3
In-process research and development	9.0		—			9.0
Other ⁽¹⁾	42.8		(16.4		)	26.4
Total intangibles	$	675.0	$	(439.9	)	$	235.1


⁽¹⁾	Other intangibles consist of customer backlog, non-competition agreements, patents, proprietary know-how and trade secrets, trademarks and trade names.

In connection with the AW acquisition, the Company recorded an IPR&D asset, at its fair value and subsequently accounts for it as an indefinite-lived intangible asset until the completion or abandonment of the associated research and development projects. During the three months ended March 30, 2019, the IPR&D activities were completed and transferred to developed technology, with an estimated useful life of 6 years.

The following table presents the amortization recorded relating to acquired developed technology, customer relationships and other intangibles (in millions):



	Three Months Ended				Nine Months Ended
	March 30, 2019		March 31, 2018		March 30, 2019		March 31, 2018
Cost of revenues	$	7.9	$	6.2	$	25.8	$	14.4
Operating expenses	9.2		4.5		29.4		11.0
Total amortization of intangible assets	$	17.1	$	10.7	$	55.2	$	25.4

Based on the carrying amount of acquired developed technology, customer relationships and other intangibles as of March 30, 2019, and assuming no future impairment of the underlying assets, the estimated future amortization is as follows (in millions):



Fiscal Years
Remainder of 2019	$	17.1
2020	66.2
2021	61.9
2022	35.2
2023	21.3
Thereafter	16.8
Total amortization	$	218.5

The acquired developed technology, customer relationships and other intangibles balance are adjusted quarterly to record the effect of currency translation adjustments.