Restructuring Costs - Narrative (Details) - Closing of North Bergen, New Jersey Distribution Center - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Sep. 29, 2018	Sep. 30, 2017
Restructuring Cost and Reserve [Line Items]
Remaining liabilities related to closing	$ 0		$ 0
Occupancy, Inventory Obsolescence Charges, Severance and Other Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	200,000	$ 2,300,000	2,900,000	$ 2,300,000
Occupancy, Inventory Obsolescence Charges, Severance and Other Expenses | Cost of Goods Sold
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0	2,000,000	1,800,000	2,000,000
Occupancy, Inventory Obsolescence Charges, Severance and Other Expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 200,000	$ 300,000	$ 1,100,000	$ 300,000