Cover - shares	9 Months Ended
	Mar. 31, 2022	Apr. 28, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-36092
Entity Registrant Name	Premier, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	35-2477140
Entity Address, Address Line One	13034 Ballantyne Corporate Place
Entity Address, City or Town	Charlotte,
Entity Address, State or Province	NC
Entity Address, Postal Zip Code	28277
City Area Code	704
Local Phone Number	357-0022
Title of 12(b) Security	Class A Common Stock, $0.01 Par Value
Trading Symbol	PINC
Security Exchange Name	NASDAQ
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		117,986,674
Entity Central Index Key	0001577916
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Amendment Flag	false