XML 90 R68.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Operating Segments and Geographic Information - Schedule of Revenues from External Customers and Long-Lived Assets Based on Physical Location (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 28, 2014 | Jun. 29, 2014 | Mar. 30, 2014 | Dec. 31, 2013 | Sep. 29, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 608,910 us-gaap_SalesRevenueGoodsNet | $ 610,774 us-gaap_SalesRevenueGoodsNet | $ 600,891 us-gaap_SalesRevenueGoodsNet | $ 487,690 us-gaap_SalesRevenueGoodsNet | $ 509,751 us-gaap_SalesRevenueGoodsNet | $ 522,478 us-gaap_SalesRevenueGoodsNet | $ 529,491 us-gaap_SalesRevenueGoodsNet | $ 507,473 us-gaap_SalesRevenueGoodsNet | $ 2,308,265 us-gaap_SalesRevenueGoodsNet | $ 2,069,193 us-gaap_SalesRevenueGoodsNet | $ 1,840,739 us-gaap_SalesRevenueGoodsNet
Percent of total revenues |  |  |  |  |  |  |  |  | 100.00%bdc_PercentageOfRevenues | 100.00%bdc_PercentageOfRevenues | 100.00%bdc_PercentageOfRevenues
Long-lived assets | 403,359 us-gaap_NoncurrentAssets |  |  |  | 380,197 us-gaap_NoncurrentAssets |  |  |  | 403,359 us-gaap_NoncurrentAssets | 380,197 us-gaap_NoncurrentAssets | 371,050 us-gaap_NoncurrentAssets
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,134,721 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_US | 1,032,190 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_US | 825,437 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_US
Percent of total revenues |  |  |  |  |  |  |  |  | 49.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_US | 50.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_US | 45.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_US
Long-lived assets | 191,728 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 170,813 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 191,728 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US | 170,813 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US | 164,619 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US
Canada [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 194,149 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CA | 195,387 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CA | 196,761 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CA
Percent of total revenues |  |  |  |  |  |  |  |  | 8.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CA | 9.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CA | 11.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CA
Long-lived assets | 29,773 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CA |  |  |  | 27,458 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CA |  |  |  | 29,773 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CA | 27,458 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CA | 31,610 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CA
China [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 132,330 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CN | 126,461 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CN | 193,082 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_CN
Percent of total revenues |  |  |  |  |  |  |  |  | 6.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CN | 6.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CN | 10.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_CN
Long-lived assets | 70,574 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CN |  |  |  | 76,949 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CN |  |  |  | 70,574 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CN | 76,949 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CN | 72,556 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_CN
Germany [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 120,297 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_DE | 108,745 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_DE | 105,377 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = country_DE
Percent of total revenues |  |  |  |  |  |  |  |  | 5.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_DE | 5.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_DE | 6.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = country_DE
Long-lived assets | 40,557 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_DE |  |  |  | 45,702 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_DE |  |  |  | 40,557 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_DE | 45,702 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_DE | 42,411 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_DE
All Other [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 726,768 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | 606,410 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | 520,082 us-gaap_SalesRevenueGoodsNet / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember
Percent of total revenues |  |  |  |  |  |  |  |  | 32.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | 30.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | 28.00%bdc_PercentageOfRevenues / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember
Long-lived assets | $ 70,727 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember |  |  |  | $ 59,275 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember |  |  |  | $ 70,727 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | $ 59,275 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember | $ 59,854 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = bdc_OtherCountryMember

X
- Definition Percentage of revenues. + References No definition available. + Details
Name: | bdc_PercentageOfRevenues
Namespace Prefix: | bdc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
Name: | us-gaap_NoncurrentAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_SalesRevenueGoodsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=bdc_OtherCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_DE
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |