Income Taxes - Net deferred tax liability (Details) - USD ($) $ in Thousands	Dec. 30, 2021	Dec. 31, 2020
Deferred tax assets
Accrued employee benefits	$ 17,669	$ 16,685
Operating lease liabilities	59,622	64,055
Gift card liabilities	7,318	5,098
Net operating loss, disallowed interest & tax credit carryforwards	24,166	21,525
Other	6,876	876
Total	115,651	108,239
Less valuation allowance	(2,415)	0
Deferred tax assets	113,236	108,239
Deferred tax liabilities
Depreciation and amortization	(73,898)	(82,964)
Operating lease assets	(55,489)	(58,704)
Deferred tax liabilities	(129,387)	(141,668)
Net deferred tax liability	(16,151)	(33,429)
Deferred income taxes - other assets	10,032	0
Deferred income taxes - liabilities	$ (26,183)	$ (33,429)