Other - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Sep. 29, 2019	Sep. 30, 2018	Dec. 30, 2018
Other Expense [Line Items]
Impairment and severance charges	$ 4,000,000.0
Advertising expense	38,400,000	$ 40,400,000	$ 122,500,000	$ 107,600,000
Severance liability	8,100,000		8,100,000		$ 8,300,000
Capitalized Computer Software Costs
Other Expense [Line Items]
Capitalized computer software amortization	4,400,000	4,100,000	13,100,000	11,400,000
Headquarters Redesign and Consolidation
Other Expense [Line Items]
Costs incurred during the period				3,100,000
Restructuring costs capitalized in period		3,000,000	1,000,000	14,000,000
Severance | Selling, General and Administrative Expenses
Other Expense [Line Items]
Severance costs	$ 300,000	$ 300,000	$ 2,400,000	$ 4,900,000