Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

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


	Year Ended June 30, 2021						Year Ended June 30, 2020
	Photonic Solutions		Compound Semiconductors		Total		Photonic Solutions		Compound Semiconductors		Total
Balance-beginning of period	$	1,052,494	$	186,515	$	1,239,009	$	134,057	$	185,721	$	319,778
Goodwill acquired	—		54,634		54,634		919,192		—		919,192
Finisar measurement period adjustments	(4,901)		—		(4,901)		—		—		—
Foreign currency translation	5,435		2,550		7,985		(755)		794		39
Balance-end of period	$	1,053,028	$	243,699	$	1,296,727	$	1,052,494	186,515		1,239,009

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 June 30, 2021 and 2020 were as follows ($000):


	June 30, 2021						June 30, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	$	476,200	$	(106,802)	$	369,398	$	444,315	$	(68,048)	$	376,267
Trade Names	22,660		(6,233)		16,427		22,369		(3,669)		18,700
Customer Lists	469,154		(136,519)		332,635		456,223		(92,822)		363,401
Other	1,576		(1,576)		—		1,570		(1,570)		—
Total	$	969,590	$	(251,130)	$	718,460	$	924,477	$	(166,109)	$	758,368

Estimated Amortization Expense for Existing Intangible Assets for Each of Five Succeeding Years

The estimated amortization expense for existing intangible assets for each of the five succeeding years is as follows ($000):


Year Ending June 30,
2022	$	83,463
2023	82,558
2024	80,684
2025	79,196
2026	73,466