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Document and Entity Information (USD $)
 12 Months Ended
Dec. 31, 2014
Jun. 30, 2014
Feb. 11, 2015
Class of Stock [Line Items]      
Entity Registrant Name HUBBELL INCORPORATED    
Entity Central Index Key 0000048898    
Document Period End Date Dec. 31, 2014    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well Known Seasoned Issuer Yes    
Entity Voluntary Filers Yes    
Entity Current Reporting Status Yes    
Entity Public Float   $ 7,152,795,896dei_EntityPublicFloat  
Class A Common Stock      
Class of Stock [Line Items]      
Entity Common Stock Shares Outstanding     7,167,506dei_EntityCommonStockSharesOutstanding
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Class B Common Stock      
Class of Stock [Line Items]      
Entity Common Stock Shares Outstanding     51,339,048dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember