Leases - Supplemental Cash Flow Information to Leases (Details) $ in Thousands	9 Months Ended
	Sep. 28, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 4,223
Operating cash flows from finance leases	69
Financing cash flows from finance leases	854
Right-of-use asset obtained in exchange for operating lease liability	27,949
Right-of-use asset obtained in exchange for finance lease liability	$ 3,575