XML 95 R91.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Income Taxes - Summary of Net Operating Loss Carryforwards and Tax Credit Carryforwards (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013
--- | ---
Income Taxes [Line Items] |
Net operating loss carryforwards | $ 220,586
Tax Credit Carryforwards | 53,022
United States [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | 120,233
Tax Credit Carryforwards | 34,172
Netherlands [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | 54,900
Australia [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | 18,359
Germany [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | 16,781
Other Country [Member] |
Income Taxes [Line Items] |
Net operating loss carryforwards | 10,313
Canada [Member] |
Income Taxes [Line Items] |
Tax Credit Carryforwards | $ 18,850

X
- Details
Name: | bdc_IncomeTaxesLineItems
Namespace Prefix: | bdc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
Name: | us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant