v2.4.0.6
DOCUMENT AND ENTITY INFORMATION (USD $)
12 Months Ended
Jul. 31, 2012
Sep. 21, 2012
Jan. 31, 2012
Entity Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jul. 31, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Entity Registrant Name PALL CORP    
Entity Central Index Key 0000075829    
Current Fiscal Year End Date --07-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   114,436,725  
Entity Public Float     $ 6,895,490,103