Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 27, 2017	Dec. 28, 2016
Deferred assets:
Capital leases	$ 90	$ 197
Accrued vacation	428	658
Accrued legal	0	308
Deferred rent	3,516	4,351
Accrued workers’ compensation	1,450	1,932
Enterprise zone and other credits	12,722	11,982
Net operating losses	13,488	30,452
Fixed assets	4,176	0
Other	2,261	2,737
Total deferred tax assets	38,131	52,617
Valuation allowance	(4,306)	(3,311)
Net deferred tax assets	33,825	49,306
Deferred liabilities:
Goodwill	(6,037)	(8,809)
Trademark	(17,613)	(26,463)
Prepaid expense	(380)	(523)
Fixed asset	0	(1,771)
Other	(2,628)	(4,323)
Deferred tax liabilities	(26,658)	(41,889)
Net deferred tax asset	$ 7,167	$ 7,417