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 December 29, 2018	Gross Carrying Amount		Accumulated Amortization			Net
Acquired developed technology	$	465.4	$	(346.8	)	$	118.6
Customer relationships	187.1		(113.0		)	74.1
In-process research and development	9.0		—			9.0
Other ⁽¹⁾	36.6		(15.4		)	21.2
Total intangibles	$	698.1	$	(475.2	)	$	222.9



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.

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



	Three Months Ended				Six Months Ended
	December 29, 2018		December 30, 2017		December 29, 2018		December 30, 2017
Cost of revenues	$	8.5	$	4.1	$	17.9	$	8.2
Operating expenses	10.4		3.4		20.2		6.5
Total amortization of intangible assets	$	18.9	$	7.5	$	38.1	$	14.7

Based on the carrying amount of acquired developed technology, customer relationships and other intangibles as of December 29, 2018, and assuming no future impairment of the underlying assets, the estimated future amortization is as follows (in millions):



Fiscal Years
Remainder of 2019	$	32.8
2020	62.9
2021	58.6
2022	32.3
2023	18.5
Thereafter	8.8
Total amortization	$	213.9

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