Basis of Presentation and Accounting Policies - Goodwill and Other Intangible Assets (Details)	9 Months Ended
	Jun. 26, 2020 item
Goodwill and Other Intangible Assets
Number of reporting units	5
Transportation Solutions
Goodwill and Other Intangible Assets
Number of reporting units	2
Industrial Solutions
Goodwill and Other Intangible Assets
Number of reporting units	2
Communications Solutions
Goodwill and Other Intangible Assets
Number of reporting units	1
Minimum
Goodwill and Other Intangible Assets
Useful life of intangible assets with a determinable life	1 year
Maximum
Goodwill and Other Intangible Assets
Useful life of intangible assets with a determinable life	50 years