Debt Principal Payment, Percentage

No definition available.

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- Definition

Debt principal payment percentage increase.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Line of credit facility, term period

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Maximum permitted amount of accounts receivable sale.

+ References

No definition available.

+ Details

Name:	bhe_MaximumAmountOfTradeAccountsReceivableSalesPermitted
Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage Of Direct Foreign Subsidiaries Voting Capital Stock, Used To Secure Credit Agreement

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Possible increase to the borrowing capacity of credit agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	bhe_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481139/470-20-50-4

+ Details

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

- Definition

Description of reference rate used for variable rate of debt instrument.

+ References

No definition available.

+ Details

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

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

+ Details

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

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

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

- Definition

Description of the conditions for borrowing under the credit facility including the nature of any restrictions.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityCovenantTerms
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

+ Details

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

- Definition

Date the credit facility terminates, in YYYY-MM-DD format.

+ References

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

+ Details

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Balance Type:	na
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- 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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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

- Details

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- Details

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Period Type:

- Details

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Borrowing Facilities - Narrative (Details) - USD ($) $ in Thousands						3 Months Ended
	May 01, 2023	Feb. 03, 2023	May 20, 2022	Dec. 21, 2021	Jul. 20, 2018	Mar. 31, 2024	Dec. 31, 2023	Jul. 19, 2018
Line Of Credit Facility [Line Items]
Maximum amount of trade accounts receivable sales permitted		$ 200,000				$ 200,000
Credit agreement, secured by percentage of voting capital stock of each direct foreign subsidiary						65.00%
Interest Rate Swap Agreement [Member]
Line Of Credit Facility [Line Items]
Fixed interest rate						4.039%
Derivative Notional Amount						$ 126,300
Credit Agreement [Member]
Line Of Credit Facility [Line Items]
Credit Agreement description						On July 20, 2018, the Company entered into a $650 million credit agreement (the Prior Credit Agreement) by and among the Company, certain of its subsidiaries, the lenders party thereto and Bank of America, N.A., as Administrative Agent, Swingline Lender and an L/C Issuer.
Credit Agreement aggregate borrowing capacity				$ 381,000	$ 650,000
Credit Agreement maturity date					Jul. 20, 2023
Revolving credit facility, available for future borrowings								$ 430,000
Description of variable interest rate basis	Amendment No. 3 also established that the interest on outstanding borrowings starting on the next reset date and any new borrowings under Amendment No. 3 (other than swingline loans) will accrue, at the Company’s option, at (a) the Term Secured Overnight Financing Rate (SOFR) plus 0.10% plus the Applicable Rate (as defined in the Credit Agreement, approximately 1.00% to 2.00% per annum depending on various factors) or (b) for U.S. dollar denominated loans, the base rate (which is the highest of (i) the federal funds rate plus 0.50%, (ii) the Bank of America, N.A. prime rate, (iii) Term SOFR plus 1.00% and (iv) 1.00%).		The Amendment also established that the interest on outstanding borrowings starting on the next reset date and any new borrowings under the Amendment (other than swingline loans) will accrue, at the Company’s option, at (a) the Bloomberg Short Term Bank Yield Index (BSBY) plus the Applicable Rate (as defined in the Credit Agreement, approximately 1.00% to 2.00% per annum depending on various factors) or (b) for U.S. dollar denominated loans, the base rate (which is the highest of (i) the federal funds rate plus 0.50%, (ii) the Bank of America, N.A. prime rate, (iii) the one month BSBY adjusted daily rate plus 1.00% and (iv) 1.00%).
Credit Agreement covenant terms						The Credit Agreement contains certain financial covenants related to interest coverage and debt leverage, and certain customary affirmative and negative covenants, including restrictions on the Company’s ability to incur additional debt and liens, pay dividends, repurchase shares, sell assets and merge or consolidate with other persons. Amounts due under the Credit Agreement could be accelerated upon specified events of default, including a failure to pay amounts due, breach of a covenant, material inaccuracy of a representation, or occurrence of bankruptcy or insolvency, subject, in some cases, to cure periods.
Credit Agreement [Member] \| Alternate Base Rate Plus [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate	1.00%					1.00%
Credit Agreement [Member] \| Federal Funds Rate Plus [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate	0.50%		0.50%
Credit Agreement [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
U.S. Credit facility, commitment fee						0.20%
Credit Agreement [Member] \| Minimum [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate	1.00%
Credit Agreement [Member] \| Minimum [Member] \| Bloomberg Short Term Bank Yield Index Rate Plus [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate			1.00%
Credit Agreement [Member] \| Maximum [Member]
Line Of Credit Facility [Line Items]
U.S. Credit facility, commitment fee						0.30%
Credit Agreement [Member] \| Maximum [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate	2.00%
Credit Agreement [Member] \| Maximum [Member] \| Bloomberg Short Term Bank Yield Index Rate Plus [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate			2.00%
Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Credit Agreement aggregate borrowing capacity	$ 550,000		$ 450,000	$ 250,000	$ 500,000
Term period				5 years	5 years
Credit Agreement maturity date				Dec. 21, 2026	Jul. 20, 2023
Revolving credit facility, available for future borrowings						$ 355,600
Revolving credit facility						190,000	$ 205,000
Letters of credit outstanding amount						4,400
Revolving Credit Facility [Member] \| Minimum [Member]
Line Of Credit Facility [Line Items]
Possible increase to total commitments under Credit Agreement						100,000
Revolving Credit Facility [Member] \| Minimum [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Line Of Credit Facility [Line Items]
Debt Instrument, variable rate	0.10%
Term Loan Facility [Member]
Line Of Credit Facility [Line Items]
Principal amount						$ 126,328	$ 127,148
Credit Agreement aggregate borrowing capacity				$ 131,300	$ 151,000
Term period				5 years	5 years
Term Loan frequency of periodic payments						quarterly
Term Loan Facility [Member] \| December 31, 2022 Through September 30, 2024 [Member]
Line Of Credit Facility [Line Items]
Quarterly principal installments, Percentage						0.625%
Term Loan Facility [Member] \| January 1, 2025 Through December 21, 2026 [Member]
Line Of Credit Facility [Line Items]
Quarterly principal installments increase, Percentage						1.25%