Debt Instrument, Convertible, Carrying Amount of Liability Component

No definition available.

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

- Definition

Debt Instrument, Convertible, Share Price Threshold

+ References

No definition available.

+ Details

Name:	lite_DebtInstrumentConvertibleSharePriceThreshold
Namespace Prefix:	lite_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Trading Days Stock Price Share Price Threshold To Trigger Conversion

+ References

No definition available.

+ Details

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Namespace Prefix:	lite_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
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+ Details

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

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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-Name Accounting Standards Codification
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+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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

- Definition

Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

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+ Details

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

- References

No definition available.

+ Details

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- Details

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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_ConvertibleDebtMember
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Balance Type:
Period Type:

- Details

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- Details

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Debt - Components of Convertible Notes (Details)		1 Months Ended			12 Months Ended
Debt - Components of Convertible Notes (Details)	Jul. 03, 2021 USD ($)	Mar. 31, 2022 USD ($) trading_day $ / shares	Dec. 31, 2019 USD ($) trading_day $ / shares	Mar. 31, 2017 USD ($) trading_day $ / shares	Jul. 02, 2022 USD ($) trading_day $ / shares
2026 Notes
Liability component:
Sale price of common stock (in dollars per share) \| $ / shares			$ 129.08
Convertible Debt \| 2024 Notes
Liability component:
Principal	$ 450,000,000.0			$ 450,000,000	$ 448,100,000
Unamortized debt discount and debt issuance costs	(59,300,000)				(38,200,000)
Net carrying amount of the liability component	390,700,000				$ 409,900,000
Sale price of common stock (in dollars per share) \| $ / shares				$ 78.80	$ 78.80
Conversion threshold percentage of stock price trigger				130.00%	130.00%
Conversion price (in dollars per share) \| $ / shares				$ 60.62	$ 60.62
Number of days to trigger conversion \| trading_day					20
Conversion threshold consecutive trading days \| trading_day				30	30
Principal amount of debt converted (less than)	100,000				$ 1,800,000
Convertible Debt \| 2026 Notes
Liability component:
Principal	1,050,000,000		$ 1,050,000,000		1,050,000,000
Unamortized debt discount and debt issuance costs	(260,200,000)		$ (315,200,000)		(218,600,000)
Net carrying amount of the liability component	$ 789,800,000				$ 831,400,000
Sale price of common stock (in dollars per share) \| $ / shares					$ 129.08
Conversion threshold percentage of stock price trigger			130.00%
Conversion price (in dollars per share) \| $ / shares			$ 99.29		$ 99.29
Conversion threshold consecutive trading days \| trading_day			30
Convertible Debt \| 2028 Notes
Liability component:
Principal		$ 861,000,000			$ 861,000,000.0
Unamortized debt discount and debt issuance costs		$ (231,200,000)			(226,300,000)
Net carrying amount of the liability component					$ 634,700,000
Sale price of common stock (in dollars per share) \| $ / shares		$ 170.34			$ 170.34
Conversion threshold percentage of stock price trigger		130.00%			130.00%
Conversion price (in dollars per share) \| $ / shares		$ 131.03			$ 131.03
Number of days to trigger conversion \| trading_day		20			20
Conversion threshold consecutive trading days \| trading_day		30			30