Revenue Recognition - Narrative (Details) - USD ($)		3 Months Ended
	Apr. 01, 2018	Jun. 30, 2018	Mar. 31, 2018
Contract With Customer, Asset And Liability [Line Items]
Return liabilities		$ 28,500,000	$ 12,100,000
Right to recover returned product		5,300,000
Contract with customer liability		19,000,000	23,300,000
Gift card breakage recognized to revenue	$ 4,600,000
Revenue recognized during period		8,100,000
Contract assets	$ 0	0
Gift Cards
Contract With Customer, Asset And Liability [Line Items]
Contract with customer liability		11,200,000
Loyalty Program
Contract With Customer, Asset And Liability [Line Items]
Contract with customer liability		$ 4,700,000	$ 2,200,000