v3.22.4
Document and Entity Information - shares
 6 Months Ended
Dec. 24, 2022
Jan. 26, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 24, 2022  
Document Fiscal Year Focus 2022  
Document Fiscal Period Focus Q2  
Trading Symbol SYNA  
Entity Registrant Name SYNAPTICS INCORPORATED  
Entity Central Index Key 0000817720  
Current Fiscal Year End Date --12-24  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   39,395,760
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Title of 12(b) Security Common Stock, par value $.001 per share  
Security Exchange Name NASDAQ  
Entity File Number 000-49602  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 77-0118518  
Entity Address, Address Line One 1109 McKay Drive  
Entity Address, City or Town San Jose  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95131  
City Area Code 408  
Local Phone Number 904-1100  
Document Quarterly Report true  
Document Transition Report false