Document and Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2020	Aug. 07, 2020	Dec. 31, 2018
Entity Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	1-2299
Entity Registrant Name	APPLIED INDUSTRIAL TECHNOLOGIES, INC.
Entity Incorporation, State or Country Code	OH
Entity Tax Identification Number	34-0117420
Entity Address, Address Line One	1 Applied Plaza
Entity Address, City or Town	Cleveland
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44115
City Area Code	216
Local Phone Number	426-4000
Title of 12(b) Security	Common Stock, without par value
Trading Symbol	AIT
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 2,554,970,000
Entity Common Stock, Shares Outstanding (actual number)		38,711,670
Entity Central Index Key	0000109563
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Amendment Flag	false