v3.10.0.1
Document And Entity Information - shares
9 Months Ended
Jun. 29, 2018
Jul. 17, 2018
Document and Entity Information [Abstract]    
Entity Registrant Name Skyworks Solutions, Inc.  
Entity Central Index Key 0000004127  
Document Type 10-Q  
Document Period End Date Jun. 29, 2018  
Amendment Flag false  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --09-28  
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   178,981,545