Debt - Components of Debt (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Dec. 10, 2021	Nov. 01, 2021	Jun. 30, 2021
Line of Credit Facility [Line Items]
Debt, gross	$ 2,326,864
Credit facility unamortized debt issuance costs	(7,703)			$ 0
Total debt	2,300,426			1,375,141
Current portion of long-term debt	(403,212)			(62,050)
Long-term debt, less current portion	$ 1,897,214			1,313,091
5.000% Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, interest rate	5.00%	5.00%
Debt, gross	$ 990,000			0
0.50% Convertible Senior Notes, assumed in the Finisar acquisition
Line of Credit Facility [Line Items]
Debt instrument, interest rate	0.50%		0.50%
0.50% Convertible Senior Notes, assumed in the Finisar acquisition | Finisar Corporation
Line of Credit Facility [Line Items]
Debt, gross	$ 0			14,888
0.25% Convertible Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, interest rate	0.25%
Debt, gross	$ 341,501			344,969
Debt issuance costs and discount, 0.25% Convertible Senior Notes	(339)			(16,937)
Term A Loan Facility
Line of Credit Facility [Line Items]
Debt, gross	$ 995,363			1,057,412
Term A Loan Facility | LIBOR
Line of Credit Facility [Line Items]
Debt instrument, rate added on variable rate	1.375%
Term A Facility and Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility unamortized debt issuance costs	$ (18,396)			$ (25,191)