Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 29, 2019
Deferred tax assets
Accrued liabilities	$ 14,802	$ 17,740
Accrued bonuses	6,404	6,155
Other liabilities and asset reserves	14,583	18,763
Equity awards	7,323	6,760
Lease liability	41,999	32,374
Other	2,712	2,563
Net operating losses	8,127	8,139
Foreign tax credit carryforwards	18,611	14,405
Total deferred tax assets	114,561	106,899
Valuation allowances	(28,598)	(22,972)	$ (17,303)
Total deferred tax assets, net of valuation allowances	85,963	83,927
Deferred tax liabilities
Deferred expenses	(7,087)	(9,623)
Accelerated depreciation	(23,858)	(21,337)
Goodwill	(10,052)	(9,801)
Right-of-use asset	(39,814)	(32,065)
Other	(254)	(1,249)
Total deferred tax liabilities	(81,065)	(74,075)
Net deferred tax assets	4,898	9,852
Other tax disclosures
Net operating loss carryovers	8,800	8,000
Valuation allowance related to net operating losses	$ 8,800	8,000
Expiration term of foreign tax credit carryforwards	10 years
Foreign tax authority
Other tax disclosures
Net operating loss carryovers	$ 4,500	6,300
Valuation allowance related to net operating losses	1,200	600
Foreign tax credit carryforwards
Deferred tax assets
Valuation allowances	$ (18,600)	$ (14,400)