XML 49 R34.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income taxes (Details)
 3 Months Ended 6 Months Ended
Jul. 01, 2014
Jun. 25, 2013
Jul. 01, 2014
Jun. 25, 2013
Reconciliation of the statutory federal income tax rate to the entity's effective tax rate        
Tax at statutory federal rate (as a percent) 35.00% 35.00% 35.00% 35.00%
State and local tax, net of federal benefit (as a percent) 3.50% 3.70% 3.50% 3.70%
FICA tip tax credit (as a percent) (6.50%) (6.70%) (5.90%) (5.80%)
Work opportunity tax credit (as a percent) (0.70%) (1.50%) (0.60%) (2.60%)
Incentive stock options (as a percent) (0.10%) (0.80%) (0.10%) (0.70%)
Nondeductible officer compensation (as a percent) 0.30% (0.10%) 0.30% 0.30%
Net income attributable to noncontrolling interests (as a percent) (0.90%) (1.10%) (0.90%) (1.00%)
Other (as a percent) (0.80%) 0.70% (1.00%) (0.40%)
Total (as a percent) 29.80% 29.20% 30.30% 28.50%