Name:	jdsu_PurchaseOptionNumberOfBuildings
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Represents the area of land sold, in acres, in connection with the sale of the property to another party and the lease of the property back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionAcresOfLandSold
Namespace Prefix:	jdsu_
Data Type:	num:areaItemType
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Period Type:	instant

Represents the number of buildings leased back in connection with the sale of the property to another party and the lease of the same back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionNumberOfBuildingsLeasedBack
Namespace Prefix:	jdsu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of buildings sold in connection with the sale of the property to another party and the lease of the property back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionNumberOfBuildingsSold
Namespace Prefix:	jdsu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the area of the property in square feet that was leased back in connection with the sale of the property to another party and the lease of the same back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionRentableSquareFootageOfPropertyLeasedBack
Namespace Prefix:	jdsu_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

Represents the area of the property in square feet, sold in connection with the sale of the property to another party and the lease of the property back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionRentableSquareFootageOfPropertySold
Namespace Prefix:	jdsu_
Data Type:	num:areaItemType
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Period Type:	instant

Represents the area of land sold, in square feet, in connection with the sale of the property to another party and the lease of the property back to the seller.

No definition available.

Name:	jdsu_SaleLeasebackTransactionSqFtOfLandSold
Namespace Prefix:	jdsu_
Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

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-Section 45

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-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45023-112735

Name:	us-gaap_CapitalLeaseObligationsCurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 840

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CapitalLeaseObligationsNoncurrent
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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

Amount of the recorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 440

-SubTopic 10

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25383-109308

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

Amount of the recorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year.

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

Amount of the recorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year.

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

Amount of the recorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year.

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

Amount of the recorded unconditional purchase obligation maturing in the remainder of the fiscal year following the latest fiscal year ended.

No definition available.

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

Amount of the recorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year.

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

Amount of the recorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year.

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

- Details

Name:	us-gaap_RecordedUnconditionalPurchaseObligationPaymentScheduleAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Name:	us-gaap_SaleLeasebackTransactionLeaseTerms
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SaleLeasebackTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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The gross proceeds received from the asset(s) sold in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller less the costs incurred in connection with the transaction, such as closing and deferred financing costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

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-Section 55

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