SHARE-BASED COMPENSATION (Shares Authorized) (Details)	Jun. 30, 2022 shares
2017 Stock Plan
Share-based Compensation
Number of shares authorized	1,400,000
Non fungible share basis	1
Fungible share basis	1.5
2012 Stock Plan
Share-based Compensation
Number of shares authorized	2,400,000
2012 Stock Plan \| Stock Options
Share-based Compensation
Number of shares authorized	1,680,000
2012 Stock Plan \| Stock and Stock Unit Awards
Share-based Compensation
Number of shares authorized	720,000
2009 Stock Plan
Share-based Compensation
Number of shares authorized	4,400,000
2009 Stock Plan \| Stock Options
Share-based Compensation
Number of shares authorized	3,200,000
2009 Stock Plan \| Stock Awards
Share-based Compensation
Number of shares authorized	1,200,000

Share Based Compensation Arrangement By Share Based Payment Award Award Number Of Shares Fungible Share Basis

No definition available.

Name:	fele_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardNumberOfSharesFungibleShareBasis
Namespace Prefix:	fele_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardNumberOfSharesNonFungibleShareBasis

+ References

No definition available.

+ Details

Name:	fele_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardNumberOfSharesNonFungibleShareBasis
Namespace Prefix:	fele_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Number of shares authorized for issuance under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_PlanNameAxis=fele_A2017StockPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=fele_A2012StockPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=fele_RestrictedStockandRestrictedStockUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PlanNameAxis=fele_A2009StockPlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: