Business Combination, Options Settled As Part of Business Combination

No definition available.

Name:	lite_BusinessCombinationOptionsSettledAsPartOfBusinessCombination
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Business Combination, Share-Based Compensation Consideration

+ References

No definition available.

+ Details

Name:	lite_BusinessCombinationShareBasedCompensationConsideration
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Business Combination, Share-Based Compensation Consideration, Term

+ References

No definition available.

+ Details

Name:	lite_BusinessCombinationShareBasedCompensationConsiderationTerm
Namespace Prefix:	lite_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Combination, Share-Based Compensation Consideration, Unrecognized, Vesting Period

+ References

No definition available.

+ Details

Name:	lite_BusinessCombinationShareBasedCompensationConsiderationUnrecognizedVestingPeriod
Namespace Prefix:	lite_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Business Combination, Shares Acquired From Acquiree, Shares

+ References

No definition available.

+ Details

Name:	lite_BusinessCombinationSharesAcquiredFromAcquireeShares
Namespace Prefix:	lite_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Business Combination, Shares Acquired From Acquiree, Value

+ References

No definition available.

+ Details

Name:	lite_BusinessCombinationSharesAcquiredFromAcquireeValue
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

+ Details

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

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionSharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 30
-Paragraph 8
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479637/805-30-30-8

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479581/805-30-50-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 30
-Paragraph 7
-SubTopic 30
-Topic 805
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479637/805-30-30-7

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479581/805-30-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

+ Details

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lite_CloudLightTechnologyLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Business Combinations - Consideration Transferred (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		9 Months Ended
	Nov. 07, 2023	Mar. 30, 2024	Apr. 01, 2023
Business Acquisition
Share-based consideration		$ 23.5	$ 0.0
Cloud Light Technology Limited
Business Acquisition
Cash consideration	$ 705.0
Share-based consideration	23.5
Total purchase price consideration	$ 728.5
Per share consideration price (in usd per share)	$ 1.69
Shares acquired (in shares)	409.4
Cash consideration	$ 691.7
Options settled as part of business combination	$ 13.3
Vesting period (in years)	3 years
Cloud Light Technology Limited \| Maximum
Business Acquisition
Expiration period (in years)	10 years