Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Cash Flows from Operating Activities
Net Earnings (Loss)	$ 234,759	$ 297,552	$ (67,029)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation	207,132	187,803	156,690
Amortization	79,647	82,266	64,192
Share-based compensation expense	73,214	70,953	68,480
Amortization of discount on convertible debt and debt issuance costs	18,807	20,732	22,150
Debt extinguishment expense	0	24,747	3,960
Losses (gains) on disposals of property, plant and equipment	617	2,537	(1,461)
Unrealized losses on foreign currency remeasurements and transactions	1,167	5,545	14,442
Earnings from equity investments	(2,190)	(14,246)	(2,775)
Deferred income taxes	(8,154)	(371)	(42,454)
Impairment of investment	0	0	4,980
Increase (decrease) in cash from changes in (net of effects of acquisitions):
Accounts receivable	(55,193)	(51,697)	(91,981)
Inventories	(230,882)	(44,645)	112,572
Accounts payable	97,053	2,266	45,026
Income taxes	17,961	(18,086)	40,061
Accrued compensation and benefits	(9,382)	23,934	0
Other operating net assets (liabilities)	(11,224)	(14,937)	(29,561)
Net cash provided by operating activities	413,332	574,353	297,292
Cash Flows from Investing Activities
Additions to property, plant & equipment	(314,332)	(146,337)	(136,877)
Purchases of businesses, net of cash acquired	0	(34,394)	(1,036,609)
Other investing activities	(5,750)	7,774	(5,804)
Net cash used in investing activities	(320,082)	(172,957)	(1,179,290)
Cash Flows from Financing Activities
Proceeds from issuance of Senior Notes	990,000	0	0
Proceeds from issuance of common shares	0	460,000	0
Payment of Finisar Notes	(14,888)	0	(560,112)
Payments on borrowings under prior Term Loan, Credit Facility, and other loans	0	0	(176,618)
Payments on borrowings under Revolving Credit Facility	0	(74,000)	(86,000)
Debt issuance costs	(10,197)	0	(63,510)
Equity issuance costs	0	(58,596)	0
Proceeds from exercises of stock options and purchases of stock under employee stock purchase plan	17,858	32,360	13,467
Common stock repurchases	0	0	(1,625)
Payments in satisfaction of employees' minimum tax obligations	(21,249)	(19,701)	(28,700)
Payment of dividends	(34,508)	(20,319)	0
Other financing activities	(2,013)	(2,367)	(2,339)
Net cash provided by financing activities	862,953	675,727	1,173,625
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	34,276	21,723	(3,453)
Net increase in cash and cash equivalents, and restricted cash	990,479	1,098,846	288,174
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	1,591,892	493,046	204,872
Cash, Cash Equivalents, and Restricted Cash at End of Period	2,582,371	1,591,892	493,046
Cash paid for interest	57,314	37,266	62,190
Cash paid for income taxes	50,000	60,393	39,521
Non cash transactions:
Additions to property, plant & equipment included in accounts payable	84,890	32,028	21,801
Revolving Credit Facility
Cash Flows from Financing Activities
Proceeds from borrowings under Credit Facility	0	0	160,000
Prior Credit Facility
Cash Flows from Financing Activities
Proceeds from borrowings under Credit Facility	0	0	10,000
Term A Facility
Cash Flows from Financing Activities
Proceeds from borrowings of Term Facility	0	0	1,241,000
Payments on borrowings under Term Facility	(62,050)	(137,050)	(46,538)
Term B Facility
Cash Flows from Financing Activities
Proceeds from borrowings of Term Facility	0	0	720,000
Payments on borrowings under Term Facility	0	(714,600)	(5,400)
Series A Preferred Stock
Cash Flows from Financing Activities
Proceeds from issuance of preferred shares	0	460,000	0
Series B Preferred Stock
Cash Flows from Financing Activities
Proceeds from issuance of preferred shares	$ 0	$ 750,000	$ 0