Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2023

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, 2023
	Networking		Materials		Lasers		Total
Balance at beginning of period	$	1,013,277	$	272,482	$	—	$	1,285,759
Goodwill acquired	—		—		3,174,984		3,174,984
Foreign currency translation	22,927		(24,787)		53,817		51,957
Balance-end of period	$	1,036,204	$	247,695	$	3,228,801	$	4,512,700

	Year Ended June 30, 2022
	Networking		Materials		Lasers		Total
Balance-beginning of period	$	1,053,028	$	243,699	$	—	$	1,296,727
Transfer between segments(1)	(35,466)		35,466		—		—
Foreign currency translation	(4,285)		(6,683)		—		(10,968)
Balance-end of period	$	1,013,277	$	272,482	$	—	$	1,285,759

(1) Refer to Note 14. Segment Reporting for information regarding the segment transfer of goodwill between segments.

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

The gross carrying amount and accumulated amortization of our intangible assets other than goodwill as of June 30, 2023 and 2022 were as follows ($000):

	June 30, 2023						June 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	$	1,661,263	$	(270,786)	$	1,390,477	$	473,845	$	(144,409)	$	329,436
Trade Names	438,470		(8,279)		430,191		22,536		(7,454)		15,082
Customer Lists	2,333,360		(339,344)		1,994,016		464,880		(173,994)		290,886
Backlog and Other	88,834		(88,834)		—		1,563		(1,563)		—
Total	$	4,521,927	$	(707,243)	$	3,814,684	$	962,824	$	(327,420)	$	635,404

Refer to Note 3. Coherent Acquisition for further information on intangibles acquired in the year ended June 30, 2023.

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,
2024	$	287,493
2025	285,667
2026	284,089
2027	283,376
2028	281,688