XML 77 R96.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes - Summary of Net Operating Loss Carryforwards (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards $ 652,087us-gaap_OperatingLossCarryforwards
France [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 272,351us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_FR
United States [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 188,178us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_US
Netherlands [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 73,828us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_NL
Germany [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 59,761us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_DE
Japan [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 27,410us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_JP
Australia [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards 15,901us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= country_AU
All Other [Member]  
Operating Loss Carryforwards [Line Items]  
Net operating loss carryforwards $ 14,658us-gaap_OperatingLossCarryforwards
/ us-gaap_StatementGeographicalAxis
= bdc_OtherCountryMember