Document and Entity Information (USD $)
In Billions, except Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2010
Nov. 30, 2010
Document and Entity Information    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Oct. 31, 2010  
Document Fiscal Year Focus 2010  
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   45,837,259
Entity Public Float   $ 1.8
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Well-known Seasoned Issuer Yes