Line Of Credit Facility, Covenant Compliance, Minimum Default Trigger.

No definition available.

Name:	fele_LineOfCreditFacilityCovenantComplianceMinimumDefaultTrigger.
Namespace Prefix:	fele_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Facility Maximum Borrowing Capacity Accordion Feature

+ References

No definition available.

+ Details

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Namespace Prefix:	fele_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility Covenant Total Interest Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	fele_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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Data Type:	dtr-types:percentItemType
Balance Type:	na
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- 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

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+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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+ Details

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

- References

No definition available.

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	na
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Details

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Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=us-gaap_BankOverdraftsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=fele_EuroInterbankOfferRateEURIBORMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=fele_NewYorkLifeInvestorsLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Period Type:

- Details

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DEBT (Details) $ in Millions					12 Months Ended
DEBT (Details) $ in Millions	May 11, 2022 USD ($)	Jul. 22, 2010 USD ($)	Sep. 07, 2007 USD ($)	Apr. 30, 2007 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	May 10, 2022 USD ($)	Jul. 30, 2021 USD ($)	May 13, 2021 USD ($)	May 12, 2021 USD ($)	Sep. 26, 2018 USD ($)	May 28, 2015 USD ($)	May 27, 2015 USD ($)	Dec. 31, 2012 USD ($)	Apr. 09, 2007 USD ($)
Line of Credit Facility
Cross default trigger, minimum					$ 10.0
Minimum
Line of Credit Facility
Debt instrument covenant total leverage ratio					1.00
Debt instrument covenant total interest ratio					1.00
Maximum
Line of Credit Facility
Debt instrument covenant total leverage ratio					3.50
Debt instrument covenant total interest ratio					3.00
Tax increment financing debt
Debt Instrument
Aggregate principal amount of debt														$ 25.0
Debt instrument, interest rate														3.60%
Bank Overdrafts [Member]
Debt Instrument
Total borrowing capacity of facility					$ 17.9	$ 22.0
Remaining borrowing capacity					17.9	19.3
Line of Credit Facility
Outstanding borrowings					0.0	2.7
Credit Agreement
Debt Instrument
Total borrowing capacity of facility	$ 475.0
Remaining borrowing capacity					335.4	223.2
Line of Credit Facility
Current borrowing capacity	350.0						$ 250.0		$ 250.0	$ 300.0
Increase request amount available	$ 125.0
Outstanding borrowings					11.0	122.8
Letters of credit outstanding					$ 3.6	$ 4.0
Line of Credit Facility, Interest Rate During Period					6.30%	5.00%
Credit Agreement \| Minimum
Line of Credit Facility
Facility fee (as a percentage)	0.10%
Credit Agreement \| Maximum
Line of Credit Facility
Facility fee (as a percentage)	0.275%
Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Interest Rate Floor
Debt Instrument
Debt instrument basis spread on variable rate	0.00%
Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum
Debt Instrument
Debt instrument basis spread on variable rate	0.95%
Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum
Debt Instrument
Debt instrument basis spread on variable rate	1.975%
Credit Agreement \| Euro Interbank Offer Rate (EURIBOR) \| Interest Rate Floor
Debt Instrument
Debt instrument basis spread on variable rate	0.00%
Credit Agreement \| Euro Interbank Offer Rate (EURIBOR) \| Minimum
Debt Instrument
Debt instrument basis spread on variable rate	0.85%
Credit Agreement \| Euro Interbank Offer Rate (EURIBOR) \| Maximum
Debt Instrument
Debt instrument basis spread on variable rate	1.875%
New York Life Agreement
Debt Instrument
Total borrowing capacity of facility											$ 200.0		$ 150.0
Remaining borrowing capacity					$ 125.0
New York Life Agreement \| Senior Notes
Debt Instrument
Aggregate principal amount of debt											$ 75.0
Debt instrument, fixed interest percentage rate											4.04%
Prudential
Debt Instrument
Total borrowing capacity of facility								$ 150.0				$ 250.0	$ 200.0		$ 175.0
Remaining borrowing capacity					$ 150.0
Debt instrument, increase, additional borrowings		$ 25.0
Prudential \| Notes Payable to Bank \| B-1 Notes
Debt Instrument
Aggregate principal amount of debt				$ 110.0
Debt instrument, fixed interest percentage rate				5.79%
Debt instrument, term				10 years
Prudential \| Notes Payable to Bank \| B-2 Notes
Debt Instrument
Aggregate principal amount of debt			$ 40.0
Debt instrument, fixed interest percentage rate			5.79%
Debt instrument, term			10 years