v3.6.0.2

Total Revenues by Geographic Regions (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2016	Dec. 25, 2015	Dec. 30, 2016	Dec. 25, 2015
Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign And Domestic Countries [Line Items]
Revenues	$ 351,156	$ 233,038	$ 683,199	$ 449,471
North America
Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign And Domestic Countries [Line Items]
Revenues	157,997	124,154	323,992	230,597
Asia Pacific
Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign And Domestic Countries [Line Items]
Revenues	136,692	84,354	251,437	168,243
Europe
Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign And Domestic Countries [Line Items]
Revenues	$ 56,467	$ 24,530	$ 107,770	$ 50,631

X

- Definition

Entity Wide Disclosure On Geographic Areas Revenue From External Customers Attributed To Individual Foreign And Domestic Countries [Line Items]

+ References

No definition available.

+ Details

Name:	fn_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignAndDomesticCountriesLineItems
Namespace Prefix:	fn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_AsiaPacificMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: