Independent Contractor Operations (Tables)

9 Months Ended

Sep. 30, 2011

Independent Contractor Operations [Abstract]

Schedule Of Independent Contractors

	Three months ended  September 30,				Nine months ended  September 30,
	2011		2010		2011		2010
Revenues	$	6,575	$	5,507	$	19,614	$	16,724
Pretax profits		3,236		2,530		9,625		7,634