Document And Entity Information - shares
6 Months Ended
Mar. 31, 2017
Apr. 21, 2017
Document and Entity Information [Abstract]    
Entity Registrant Name Skyworks Solutions, Inc.  
Entity Central Index Key 0000004127  
Document Type 10-Q  
Document Period End Date Mar. 31, 2017  
Amendment Flag false  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --09-29  
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   184,524,549