Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jul. 02, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

The following table presents the changes in goodwill by operating segments during the year ended July 2, 2016 (in millions):



		Optical Communications		Commercial Lasers			Total
Balance as of June 28, 2014 ⁽¹⁾		$	—	$	5.9		$	5.9
	Currency translation	—		(0.3		)	(0.3		)
Balance as of June 27, 2015		$	—	$	5.6		$	5.6
	Currency translation	$	—	$	(0.2	)	$	(0.2	)
Balance as of July 2, 2016		$	—	$	5.4		$	5.4

(1) Refer to “Note 6. Mergers and Acquisitions” for more information.

Acquired developed technology and other intangibles

The following tables present details of our acquired developed technology and other intangibles (in millions):



As of July 2, 2016	Gross Carrying Amount		Accumulated Amortization			Net
Acquired developed technology	$	103.0	$	(88.9	)	$	14.1
Other	9.4		(9.0		)	0.4
Total Intangibles	$	112.4	$	(97.9	)	$	14.5



As of June 27, 2015	Gross Carrying Amount		Accumulated Amortization			Net
Acquired developed technology	$	103.2	$	(82.2	)	$	21.0
Other	9.4		(8.6		)	0.8
Total Intangibles	$	112.6	$	(90.8	)	$	21.8

Intangible assets amortization expense

The following table presents details of our amortization (in millions):



	Years Ended
	July 2, 2016		June 27, 2015		June 28, 2014
Cost of sales	$	6.8	$	7.6	$	9.0
Operating expense	0.4		0.4		0.3
Total	$	7.2	$	8.0	$	9.3

Future amortization expense

Based on the carrying amount of acquired developed technology and other intangibles as of July 2, 2016, and assuming no future impairment of the underlying assets, the estimated future amortization is as follows (in millions):



Fiscal Years
2017	$	6.7
2018	2.8
2019	2.6
2020	2.4
Thereafter	—
Total amortization	$	14.5