Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Commercial Paper and Borrowings Under Bank Credit Facilities

Commercial Paper and Borrowings Under Bank Credit Facilities ($ in millions)

	December 31
	2012			2011
Balance	$	273.6		$	28.6
Weighted average interest rate	0.72		%	1.26		%

Outstanding balances of debt obligations and the applicable interest rates

Outstanding balances of GATX’s debt obligations and the applicable interest rates as of December 31 ($ in millions):

	Date of Issue	Final Maturity	Interest Rate		2012		2011
Recourse Fixed Rate Debt
Unsecured	04/30/09	05/15/14	8.75	%	$	300.0	$	300.0
Unsecured	02/05/10	05/15/15	4.75	%	250.0		250.0
Unsecured	11/19/10	07/15/16	3.50	%	250.0		250.0
Unsecured	05/27/11	06/01/21	4.85	%	250.0		250.0
Unsecured	06/11/12	06/15/22	4.75	%	250.0		—
Unsecured	02/06/08	02/15/18	6.00	%	200.0		200.0
Unsecured	03/03/06	03/01/16	5.80	%	200.0		200.0
Secured	11/06/08	11/15/13	9.00	%	159.9		168.3
Unsecured	12/22/05	12/22/15	5.75	%	100.0		115.0
Unsecured	09/20/11	07/15/16	3.50	%	100.0		100.0
Unsecured	04/14/05	04/15/15	5.70	%	100.0		100.0
Unsecured	09/20/11	06/01/21	4.85	%	50.0		50.0
Unsecured	12/27/10	10/31/18	3.84	%	21.1		20.7
Unsecured	11/29/10	11/30/18	3.70	%	19.8		20.7
Unsecured	09/24/09	10/01/12	4.75	%	—		300.0
Unsecured	10/11/06	02/15/12	5.50	%	—		200.0
Unsecured	03/29/06	12/11/12	3.49	%	—		40.5
Unsecured	12/18/07	11/30/12	4.70	%	—		27.2
Unsecured	06/29/07	05/31/12	4.25	%	—		22.7
Unsecured	02/11/02	07/31/12	5.73	%	—		0.6
Unsecured	02/11/02	01/31/12	5.83	%	—		0.2
Total recourse fixed rate debt					$	2,250.8	$	2,615.9
Recourse Floating Rate Debt *
Unsecured	12/12/11	06/12/17	2.25	%	$	107.5	$	115.0
Unsecured	03/18/08	03/18/14	1.25	%	100.0		150.0
Unsecured	05/17/11	05/17/13	1.50	%	100.0		100.0
Unsecured	12/21/12	12/21/17	1.88	%	100.0		—
Secured	12/19/11	12/19/20	2.10	%	95.5		100.0
Unsecured	06/30/06	06/28/13	0.90	%	70.0		100.0
Unsecured	08/31/12	12/31/19	2.47	%	66.0		—
Unsecured	12/15/10	10/31/15	1.58	%	42.9		49.9
Unsecured	03/29/06	09/30/16	2.09	%	41.2		—
Secured	05/14/09	05/14/14	2.86	%	38.0		41.4
Unsecured	01/12/12	06/12/17	2.25	%	35.0		—
Unsecured	12/18/07	10/31/16	2.01	%	27.7		—
Unsecured	12/06/11	08/31/16	1.56	%	25.8		29.8
Unsecured	06/29/07	09/30/16	2.17	%	18.4		—
Unsecured	09/02/11	11/30/16	1.24	%	13.4		15.6
Unsecured	03/01/10	02/28/15	1.97	%	13.2		13.0
Unsecured	12/31/03	09/30/13	1.73	%	1.8		4.3
Unsecured	12/27/10	06/30/12	2.84	%	—		5.2
Unsecured	11/29/10	12/31/12	2.20	%	—		1.9
Unsecured	12/15/03	12/15/12	1.63	%	—		1.2
Unsecured	12/31/03	12/31/12	1.53	%	—		0.3
Total recourse floating rate debt					$	896.4	$	727.6

	Date of Issue	Final Maturity	Interest Rate		2012			2011
Nonrecourse Fixed Rate Debt
Secured	09/30/97	09/20/16	6.69	%	$	35.1		$	45.2
Secured	06/13/06	12/31/13	6.26	%	21.4			22.2
Secured	08/01/07	06/30/17	6.77	%	2.5			2.5
Secured	06/16/06	04/29/16	6.80	%	1.3			1.3
Secured	08/01/07	07/31/17	6.78	%	0.8			0.8
Secured	05/29/07	05/31/12	5.84	%	—			3.5
Secured	06/01/07	05/31/12	6.27	%	—			2.4
Secured	05/11/07	05/31/12	6.06	%	—			1.4
Total nonrecourse fixed rate debt					$	61.1		$	79.3
Nonrecourse Floating Rate Debt *
Secured	Various	05/08/14	1.46	%	$	49.3		$	51.0
Secured	Various	01/15/15	1.46	%	23.5			24.4
Total nonrecourse floating rate debt					$	72.8		$	75.4
Total debt principal					$	3,281.1		$	3,498.2
Debt discount, net					(8.3		)	(9.3		)
Debt adjustment for fair value hedges					10.2			15.3
Total Debt					$	3,283.0		$	3,504.2

_________

(*) Floating rates as of December 31, 2012.

Maturities of GATX's debt obligation

Maturities of GATX’s debt obligations as of December 31, 2012, were as follows (in millions):

	Debt Principal
2013	$	485.7
2014	513.6
2015	552.5
2016	626.9
2017	236.2
Thereafter	866.2
Total debt principal	$	3,281.1