v3.10.0.1
Document and Entity Information - USD ($)
12 Months Ended
Jun. 30, 2018
Aug. 10, 2018
Dec. 31, 2017
Document Information [Line Items]      
Entity Registrant Name APPLIED INDUSTRIAL TECHNOLOGIES INC    
Entity Central Index Key 0000109563    
Current Fiscal Year End Date --06-30    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Jun. 30, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Common Stock, Shares Outstanding (actual number)   38,721,431  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 2,604,976,726