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v2.4.1.9

Restructuring Charges (Schedule Of Accrued Restructuring) (Details) (2015 [Member], USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015
Restructuring Cost and Reserve [Line Items] |
Beginning Balance | $ 0 us-gaap_RestructuringReserve
Restructuring charges | 4,477 us-gaap_RestructuringCharges
Cash Payment | (2,227)us-gaap_PaymentsForRestructuring
Ending Balance | 2,250 us-gaap_RestructuringReserve
Severance [Member] |
Restructuring Cost and Reserve [Line Items] |
Beginning Balance | 0 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Restructuring charges | 1,522 us-gaap_RestructuringCharges / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Cash Payment | (1,493)us-gaap_PaymentsForRestructuring / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Ending Balance | 29 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Lease Facility Costs [Member] |
Restructuring Cost and Reserve [Line Items] |
Beginning Balance | 0 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_FacilityClosingMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Restructuring charges | 2,253 us-gaap_RestructuringCharges / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_FacilityClosingMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Cash Payment | (132)us-gaap_PaymentsForRestructuring / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_FacilityClosingMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Ending Balance | 2,121 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_FacilityClosingMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Other Exit Costs |
Restructuring Cost and Reserve [Line Items] |
Beginning Balance | 0 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OtherRestructuringMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Restructuring charges | 702 us-gaap_RestructuringCharges / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OtherRestructuringMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Cash Payment | (602)us-gaap_PaymentsForRestructuring / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OtherRestructuringMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember
Ending Balance | $ 100 us-gaap_RestructuringReserve / us-gaap_ReserveQuantitiesByTypeOfReserveAxis = us-gaap_OtherRestructuringMember / us-gaap_RestructuringCostAndReserveAxis = bhe_TwothousandandfifteenMember

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Details
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Balance Type: | na
Period Type: | duration

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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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- Details
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Balance Type: |
Period Type: |