Leases - Lease Cost (Details) $ in Thousands	12 Months Ended
	Dec. 29, 2019 USD ($)
Leases [Abstract]
Operating cash flows from operating leases	$ 37,653
Right-of-use assets obtained in exchange for lease obligations, operating leases	$ 30,573
Weighted average remaining lease term, operating leases	6 years 2 months 12 days
Weighted average discount rate, operating lease	4.50%