Cover Page - shares	3 Months Ended
	Sep. 30, 2020	Nov. 05, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
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 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 (in shares)		25,364,617
Entity Central Index Key	0000918965
Current Fiscal Year End Date	--06-30
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Amendment Flag	false