Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

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

Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill

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