v3.22.4

Business segments and geographic information - Narrative (Details) - customer	Dec. 30, 2022	Jun. 24, 2022
Segment Reporting [Abstract]
Number of customers that contributed to more than 10% of trade accounts receivable	3	3

X

- Definition

Number Of Major Customers Accounting For Ten Percent Or More Of Total Accounts Receivable

+ References

No definition available.

+ Details

Name:	fn_NumberOfMajorCustomersAccountingForTenPercentOrMoreOfTotalAccountsReceivable
Namespace Prefix:	fn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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