Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jul. 05, 2020	Jun. 30, 2019	Jul. 05, 2020	Jun. 30, 2019
Cost of Sales	$ 162,210,000	$ 216,777,000	$ 336,068,000	$ 397,943,000
Prior Period Reclassification Adjustment		0		0
Selling, General and Administrative Expenses	$ 80,058,000	97,838,000	$ 167,741,000	197,973,000
Costs and Expenses		314,615,000		595,916,000
Cost of sales before reclassification [Member]
Cost of Sales		218,917,000		401,207,000
SG&A As Reported [Member]
Selling, General and Administrative Expenses		95,698,000		194,709,000
Selling, General and Administrative Expenses [Member]
Prior Period Reclassification Adjustment		2,140,000		3,264,000
Cost of Sales [Member]
Prior Period Reclassification Adjustment		$ (2,140,000)		$ (3,264,000)