Gift Cards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jul. 02, 2019	Jun. 30, 2020	Jul. 02, 2019
Gift card liabilities:
Beginning balance	$ 161,215	$ 145,745	$ 187,978	$ 172,336
Activations	16,766	28,999	34,106	49,372
Redemptions and breakage	(15,740)	(32,383)	(59,843)	(79,347)
Ending balance	162,241	142,361	162,241	142,361
Gift card contract assets:
Beginning balance	20,685	21,273	23,172	23,388
Deferrals	1,922	3,468	4,125	6,064
Amortization	(4,352)	(4,649)	(9,042)	(9,360)
Ending balance	$ 18,255	$ 20,092	$ 18,255	$ 20,092