Earnings Per Share (Tables)

9 Months Ended

Sep. 29, 2018

Reconciliation of Average Number of Common Shares Outstanding to Average Number of Diluted Shares Outstanding

The following table provides a reconciliation of the average number of common shares outstanding used to calculate earnings per common share attributable to Landstar System, Inc. and subsidiary to the average number of common shares and common share equivalents outstanding used to calculate diluted earnings per share attributable to Landstar System, Inc. and subsidiary (in thousands):

	Thirty Nine Weeks Ended				Thirteen Weeks Ended
	September 29, 2018		September 30, 2017		September 29, 2018		September 30, 2017
Average number of common shares outstanding		41,530		41,924		41,101		41,957
Incremental shares from assumed exercises of stock options		46		89		36		71
Average number of common shares and common share equivalents outstanding		41,576		42,013		41,137		42,028