Debt - Components of Debt (Detail) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2021	Dec. 10, 2021	Nov. 01, 2021	Jun. 30, 2021	Dec. 31, 2020
Line of Credit Facility [Line Items]
Debt issuance costs, Term A Facility and Revolving Credit Facility	$ (17,000)
Total debt	2,320,697			$ 1,375,141
Current portion of long-term debt	(1,378,118)			(62,050)
Long-term debt, less current portion	$ 942,579			1,313,091
5.000% Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, interest rate	5.00%	5.00%
Total debt, gross	$ 990,000			0
Debt issuance costs and discount, Senior notes and 0.25% convertible senior notes	$ (17,532)			0
0.50% Convertible Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, interest rate	0.50%		0.50%
0.50% Convertible Senior Notes | Finisar Corporation
Line of Credit Facility [Line Items]
Total debt, gross	$ 0			14,888
0.25% Convertible Senior Notes due 2022
Line of Credit Facility [Line Items]
Debt instrument, interest rate	0.25%				0.25%
Total debt, gross	$ 344,967			344,969
Debt issuance costs and discount, Senior notes and 0.25% convertible senior notes	(1,367)			(16,937)
Term A Loan Facility
Line of Credit Facility [Line Items]
Total debt, gross	$ 1,026,388			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]
Debt issuance costs, Term A Facility and Revolving Credit Facility	$ (21,759)			$ (25,191)