Revenue from Contracts with Customers - Summary of Disaggregated Revenue by Market and Product (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 1,370,285	$ 806,819	$ 2,714,855	$ 1,601,930
Networking | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	608,680	516,541	1,205,228	1,047,554
Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	382,396	290,278	738,040	554,376
Lasers | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	379,209		771,587
Industrial
Disaggregation of Revenue [Line Items]
Revenues	450,231	186,860	911,248	363,473
Industrial | Networking | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	15,926	19,996	34,619	41,725
Industrial | Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	149,454	166,864	293,537	321,748
Industrial | Lasers | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	284,851		583,092
Communications
Disaggregation of Revenue [Line Items]
Revenues	600,055	507,202	1,185,453	1,025,708
Communications | Networking | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	579,393	483,640	1,142,914	982,271
Communications | Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	20,662	23,562	42,539	43,437
Communications | Lasers | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	0		0
Electronics
Disaggregation of Revenue [Line Items]
Revenues	199,955	86,783	380,399	166,771
Electronics | Networking | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	3,003	3,360	6,825	6,328
Electronics | Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	196,952	83,423	373,574	160,443
Electronics | Lasers | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	0		0
Instrumentation
Disaggregation of Revenue [Line Items]
Revenues	120,044	25,974	237,755	45,978
Instrumentation | Networking | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	10,358	9,545	20,870	17,230
Instrumentation | Materials | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	15,328	$ 16,429	28,390	$ 28,748
Instrumentation | Lasers | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	$ 94,358		$ 188,495