XML 13 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document and Entity Information Document - shares
3 Months Ended
Dec. 31, 2018
Feb. 01, 2019
Entity [Abstract]    
Entity Registrant Name ENERGIZER HOLDINGS, INC.  
Entity Central Index Key 0001632790  
Current Fiscal Year End Date --09-30  
Entity Filer Category Large Accelerated Filer  
Trading Symbol ENR  
Document Type 10-Q  
Document Period End Date Dec. 31, 2018  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Common stock outstanding, shares   69,874,672