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Debt Summary of Long-term Debt (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
May 31, 2008
Nov. 30, 2010
Debt Instrument [Line Items]        
Long-term Debt $ 597.6us-gaap_LongTermDebtNoncurrent $ 597.2us-gaap_LongTermDebtNoncurrent    
Notes 2018 Term        
Debt Instrument [Line Items]        
Long-term Debt 299.2us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2018TermMember		 299.0us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2018TermMember		    
Interest rate, stated percentage     5.95%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2018TermMember		  
Notes 2022 Term        
Debt Instrument [Line Items]        
Long-term Debt $ 298.4us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2022TermMember		 $ 298.2us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2022TermMember		    
Interest rate, stated percentage       3.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= hubb_Notes2022TermMember