Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2012

Reconciliation Of The 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 share attributable to Landstar to the average number of common shares and common share equivalents outstanding used to calculate diluted earnings per share attributable to Landstar (in thousands):

	Twenty Six Weeks Ended				Thirteen Weeks Ended
	June 30, 2012		June 25, 2011		June 30, 2012		June 25, 2011
Average number of common shares outstanding		46,856		47,826		46,915		47,782
Incremental shares from assumed exercises of stock options		227		81		189		130
Average number of common shares and common share equivalents outstanding		47,083		47,907		47,104		47,912