Marketable Securities (Details)	9 Months Ended
	Sep. 27, 2020 USD ($)
Line of Credit Facility [Line Items]
OTTI loss recognized	$ 0
Short-term Marketable Securities | Minimum
Line of Credit Facility [Line Items]
Marketable securities, remaining maturities (in months)	1 month
Short-term Marketable Securities | Maximum
Line of Credit Facility [Line Items]
Marketable securities, remaining maturities (in months)	12 months
Long-term Marketable Securities | Minimum
Line of Credit Facility [Line Items]
Marketable securities, remaining maturities (in months)	13 months
Long-term Marketable Securities | Maximum
Line of Credit Facility [Line Items]
Marketable securities, remaining maturities (in months)	36 months