Document and Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2014
Nov. 30, 2014
Apr. 30, 2014
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Oct. 31, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Entity Registrant Name COOPER COMPANIES INC    
Entity Central Index Key 0000711404    
Current Fiscal Year End Date --10-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   48,158,484  
Entity Public Float     $ 6.3
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Well-Known Seasoned Issuer Yes