v3.8.0.1

Total Borrowings, Including Short-Term and Long-Term Borrowings (Parenthetical) (Detail)	1 Months Ended
	Dec. 29, 2017
Debt Instrument [Line Items]
Extended maturity date	2018-01

X

- Definition

Line of Credit Facility Extended Maturity Month and Year

+ References

No definition available.

+ Details

Name:	fn_LineOfCreditFacilityExtendedMaturityMonthAndYear
Namespace Prefix:	fn_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- 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

No definition available.

+ Details

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