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

12 Months Ended

Dec. 31, 2022

Effect of Increase in Cost of Insurance and Claims

The following table summarizes the adverse 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 set forth in the consolidated statements of income for the fiscal years ended December 31, 2022, December 25, 2021 and December 26, 2020 (in thousands, except per share amounts):

	Fiscal Years Ended
	December 31, 2022		December 25, 2021		December 26, 2020
Operating income	$	11,331	$	9,708	$	9,196
Net income	$	8,570	$	7,359	$	6,989
Diluted earnings per share	$	0.23	$	0.19	$	0.18