Goodwill and Other Intangible Assets

3 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

Changes in the carrying amount of goodwill were as follows ($000):

	Three Months Ended September 30, 2021
	Photonic Solutions		Compound Semiconductors		Total
Balance-beginning of period	$	1,053,028	$	243,699	$	1,296,727
Foreign currency translation	(727)		(1,252)		(1,979)
Balance-end of period	$	1,052,301	$	242,447	$	1,294,748

The gross carrying amount and accumulated amortization of the Company’s intangible assets other than goodwill as of September 30, 2021 and June 30, 2021 were as follows ($000):

	September 30, 2021						June 30, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	$	475,612	$	(116,367)	$	359,245	$	476,200	$	(106,802)	$	369,398
Trade Names	22,647		(6,864)		15,783		22,660		(6,233)		16,427
Customer Lists	468,345		(146,164)		322,181		469,154		(136,519)		332,635
Other	1,573		(1,573)		—		1,576		(1,576)		—
Total	$	968,177	$	(270,968)	$	697,209	$	969,590	$	(251,130)	$	718,460