v2.4.0.6
Document and Entity Information
6 Months Ended
Jun. 30, 2013
Jul. 31, 2013
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q2  
Trading Symbol IEX  
Entity Registrant Name IDEX CORP /DE/  
Entity Central Index Key 0000832101  
Current Fiscal Year End Date --12-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   81,760,702