Document and Entity Information
3 Months Ended
Jun. 30, 2015
Jul. 31, 2015
Document and Entity Information [Abstract]    
Entity Registrant Name REXNORD CORPORATION  
Entity Central Index Key 0001439288  
Document Type 10-Q  
Document Period End Date Jun. 30, 2015  
Amendment Flag false  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --03-31  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   100,348,016