v2.4.0.8
Document And Entity Information
6 Months Ended
Mar. 31, 2014
Apr. 30, 2014
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2014  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q2  
Trading Symbol ESE  
Entity Common Stock, Shares Outstanding   26,550,905
Entity Registrant Name ESCO TECHNOLOGIES INC  
Entity Central Index Key 0000866706  
Current Fiscal Year End Date --09-30  
Entity Filer Category Large Accelerated Filer