Lease Costs (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 29, 2019 USD ($)	Jun. 29, 2019 USD ($)
Lease, Cost [Abstract]
Lease Expiration Date		Mar. 31, 2033
Operating Lease, Cost	$ 23,264	$ 49,990
Cash paid for amounts included in the measurement of operating lease liabilities		57,791
Right-of-use assets obtained in exchange for operating lease obligations		$ 37,957
Weighted average remaining lease term in years	8 years	8 years
Weighted average discount rate	5.20%	5.20%