Name:	lite_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAssetsNet
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Lease, Remaining Lease Term

No definition available.

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

Operating Lease, Right-Of-Use Asset, Accumulated Amortization

No definition available.

Name:	lite_OperatingLeaseRightOfUseAssetAccumulatedAmortization
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Operating Lease, Right-Of-Use Asset, Gross

No definition available.

Name:	lite_OperatingLeaseRightOfUseAssetGross
Namespace Prefix:	lite_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

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

Amount of lessee's right to use underlying asset under operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

Name:	us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.