Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill

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

	Year Ended June 30, 2020
	Photonic Solutions		Compound Semiconductors		Total
Balance-beginning of period	$	134,057	$	185,721	$	319,778
Goodwill acquired	919,192		—		919,192
Foreign currency translation	(755)		794		39
Balance-end of period	$	1,052,494	$	186,515	$	1,239,009

	Year Ended June 30, 2019
	Photonic Solutions		Compound Semiconductors		Total
Balance-beginning of period	$	109,670	$	161,008	$	270,678
Goodwill acquired	26,069		25,569		51,638
Foreign currency translation	(1,682)		(856)		(2,538)
Balance-end of period	$	134,057	$	185,721	$	319,778

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, 2020 and 2019 were as follows ($000):

	June 30, 2020						June 30, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	$	444,315	$	(68,048)	$	376,267	$	91,637	$	(39,679)	$	51,958
Trade Names	22,369		(3,669)		18,700		15,759		(1,601)		14,158
Customer Lists	456,223		(92,822)		363,401		132,872		(59,664)		73,208
Other	1,570		(1,570)		—		1,572		(1,572)		—
Total	$	924,477	$	(166,109)	$	758,368	$	241,840	$	(102,516)	$	139,324

Schedule of Purchase Price Allocation of Acquired Intangible Assets

In conjunction with the acquisition of Finisar, the Company recorded the following intangible assets ($000):

	Gross Carrying Amount		Weighted Average Assigned Useful Life (Years)
Technology	$	334,700	12.5
Trade Names	6,700		3.0
Customer Lists	323,800		10.2
	$	665,200

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,
2021	$	77,011
2022	74,252
2023	73,380
2024	64,394
2025	62,334