Change in Accounting Estimate for Self-Insured Claims (Tables)

12 Months Ended

Dec. 31, 2016

Effect of Increase in Cost of Insurance and Claims

The following table summarizes the effect of the increase in the cost of insurance claims resulting from unfavorable development of prior year self-insured claims estimates on operating income, net income and earnings per share amounts in the consolidated statements of income for the fiscal years ended December 31, 2016, December 26, 2015 and December 27, 2014 (in thousands, except per share amounts):

	Fiscal Years Ended
	December 31, 2016		December 26, 2015		December 27, 2014
Operating income	$	1,079	$	4,852	$	6,664
Net income		667		2,999		4,118
Earnings per share	$	0.02	$	0.07	$	0.09
Diluted earnings per share	$	0.02	$	0.07	$	0.09