Summary of Cash Flow Information Related to Leases (Details) $ in Thousands	9 Months Ended
	Sep. 27, 2019 USD ($)
Cash paid for amounts included in lease liabilities
Operating cash flows from finance leases	$ 404
Operating cash flows from operating leases	5,124
Financing cash flows from finance leases	547
Right-of-use assets obtained in exchange for new operating lease liabilities	5,649
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 9,209