Investments in Affiliated Companies (Tables)

6 Months Ended

Jun. 30, 2012

Investments in Affiliated Companies [Abstract]

Operating results of affiliated companies of GATX

	Three Months Ended June 30					Six Months Ended June 30
	2012			2011		2012		2011
Revenues	$	172.0		$	162.6	$	343.2	$	336.1
Pre-tax (loss) income reported by affiliates		(9.2	)		33.4		1.4		82.5