Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_StatementClassOfStockAxis=iivi_SeriesAMandatoryConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
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- Details

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Period Type:

Equity and Redeemable Preferred Stock - Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020
Class of Stock [Line Items]
Preferred stock dividends	$ 17,082		$ 6,440
Series A Mandatory Convertible Preferred Stock
Class of Stock [Line Items]
Dividends per share (in usd per share)	$ 2.80	$ 3.00
Preferred stock dividends	$ 6,900		$ 6,440
Series B-1 Convertible Preferred Stock
Class of Stock [Line Items]
Dividends per share (in usd per share)	$ 135.77
Preferred stock dividends	$ 9,704
Deemed dividends ($000)	$ 478