Cover Page - USD ($)	12 Months Ended
	Jun. 30, 2021	Aug. 20, 2021	Dec. 31, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Jun. 30, 2021
Current Fiscal Year End Date	--06-30
Document Transition Report	false
Entity File Number	000-26926
Entity Registrant Name	ScanSource, Inc.
Entity Incorporation, State or Country Code	SC
Entity Tax Identification Number	57-0965380
Entity Address, Address Line One	6 Logue Court
Entity Address, City or Town	Greenville
Entity Address, State or Province	SC
Entity Address, Postal Zip Code	29615
City Area Code	864
Local Phone Number	288-2432
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	SCSC
Security Exchange Name	NASDAQ
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			$ 662,188,887
Entity Common Stock, Shares Outstanding		25,499,465
Documents Incorporated by Reference	The registrant has incorporated by reference into Part III of this report certain portions of either an amendment to this Form 10-K or its proxy statement for its 2022 Annual Meeting of Shareholders, which are expected to be filed within 120 days after the end of the registrant’s fiscal year ended June 30, 2021.
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000918965