Summary of Significant Accounting Policies (Details)	12 Months Ended
	Sep. 27, 2019	Sep. 28, 2018	Sep. 29, 2017
Accounting Policies [Line Items]
Weeks in fiscal year	364 days	364 days	364 days
Maturity number of days	90 days
Minimum Useful Life [Member] | Building and Building Improvements [Member]
Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years
Maximum Useful Life [Member] | Building and Building Improvements [Member]
Accounting Policies [Line Items]
Property, plant and equipment, useful life	30 years
Minimum Useful Life [Member] | Machinery and Equipment [Member]
Accounting Policies [Line Items]
Property, plant and equipment, useful life	3 years
Maximum Useful Life [Member] | Machinery and Equipment [Member]
Accounting Policies [Line Items]
Property, plant and equipment, useful life	10 years