Summary of Significant Accounting Policies Property, Plant and Equipment (Details)	12 Months Ended
	Jun. 27, 2020
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment minimium useful life (in years)	40 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment minimium useful life (in years)	2 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment minimium useful life (in years)	15 years