Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended
	Apr. 05, 2020	Mar. 31, 2019
Cost of Sales	$ 173,858,000	$ 181,166,000
Prior Period Reclassification Adjustment		0
Selling, General and Administrative Expenses	$ 87,683,000	100,135,000
Costs and Expenses		281,301,000
Cost of sales before reclassification [Member]
Cost of Sales		182,290,000
SG&A As Reported [Member]
Selling, General and Administrative Expenses		99,011,000
Selling, General and Administrative Expenses [Member]
Prior Period Reclassification Adjustment		1,124,000
Cost of Sales [Member]
Prior Period Reclassification Adjustment		$ (1,124,000)