Comprehensive Income (Tables)

9 Months Ended

Sep. 24, 2011

Comprehensive Income

Components Of Comprehensive Income

	Thirty Nine Weeks Ended						Thirteen Weeks Ended
	September 24, 2011			September 25, 2010			September 24, 2011			September 25, 2010
Net income attributable to Landstar System, Inc. and subsidiary	$	80,375		$	63,415		$	30,158		$	21,802
Unrealized holding gains (losses) on available-for-sale investments		230			948			(224	)		752
Income tax benefit (expense) on unrealized holding gains (losses) on available-for-sale investments		(82	)		(336	)		79			(266	)
Net unrealized holding gains (losses) on available-for-sale investments		148			612			(145	)		486
Foreign currency translation gains (losses)		169			71			(44	)		14
Comprehensive income attributable to Landstar System, Inc. and subsidiary	$	80,692		$	64,098		$	29,969		$	22,302