XML 50 R39.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Severance, Restructuring and Acquisition Integration Activities - Severance, Restructuring and Integration Costs by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 02, 2016 | Sep. 27, 2015 | Oct. 02, 2016 | Sep. 27, 2015
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | $ 12,795 | $ 14,143 | $ 27,072 | $ 33,533
Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 174 | 13,722 | 5,871 | 28,543
Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 5,573 | 192 | 7,280 | 832
Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 4,746 | 118 | 7,982 | 3,054
Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 2,302 | 54 | 5,910 | 2
Network Security Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Total Costs | 0 | 57 | 29 | 1,102
Employee Severance [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 1,152 | 12,077 | 4,885 | 13,089
Employee Severance [Member] | Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | (114) | 11,978 | (865) | 12,691
Employee Severance [Member] | Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | (21) | 99 | 55 | 171
Employee Severance [Member] | Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 184 | 0 | 1,961 | 967
Employee Severance [Member] | Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 1,103 | 0 | 3,734 | (740)
Employee Severance [Member] | Network Security Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance | 0 | 0 | 0 | 0
Other Than Severance Costs Restructuring and Integration Costs Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 11,643 | 2,066 | 22,187 | 20,444
Other Than Severance Costs Restructuring and Integration Costs Member] | Broadcast Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 288 | 1,744 | 6,736 | 15,852
Other Than Severance Costs Restructuring and Integration Costs Member] | Enterprise Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 5,594 | 93 | 7,225 | 661
Other Than Severance Costs Restructuring and Integration Costs Member] | Industrial Connectivity Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 4,562 | 118 | 6,021 | 2,087
Other Than Severance Costs Restructuring and Integration Costs Member] | Industrial IT Segment [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | 1,199 | 54 | 2,176 | 742
Other Than Severance Costs Restructuring and Integration Costs Member] | Network Security Solutions [Member] |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Other Restructuring and Integration Costs | $ 0 | $ 57 | $ 29 | $ 1,102

X
- Definition Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses 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=66902209&loc=d3e3602-108585 Reference 2: 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 3: 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 4: 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 + Details
Name: | us-gaap_OtherRestructuringCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 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 2: 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=66902209&loc=d3e3602-108585 Reference 3: 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 4: 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 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, 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=66902209&loc=d3e3602-108585 Reference 2: 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 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(10) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 Reference 5: 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 + Details
Name: | us-gaap_SeveranceCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bdc_BroadcastSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bdc_EnterpriseConnectivitySolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bdc_IndustrialConnectivitySolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bdc_IndustrialItMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bdc_NetworkSecuritySolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=bdc_OtherThanSeveranceCostsRestructuringAndIntegrationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |