Debt (Tables)

12 Months Ended

Dec. 31, 2013

Debt Disclosure [Abstract]

Commercial Paper and Borrowings Under Bank Credit Facilities

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

	December 31
	2013			2012
Balance	$	23.6		$	273.6
Weighted average interest rate	0.80		%	0.72		%

Outstanding balances of debt obligations and the applicable interest rates

utstanding balances of our debt obligations and the applicable interest rates as of December 31 ($ in millions):

	Date of Issue	Final Maturity	Interest Rate		2013		2012
Recourse Fixed Rate Debt
Unsecured	11/19/13	03/15/19	2.50	%	$	300.0	$	—
Unsecured	04/30/09	05/15/14	8.75	%	300.0		300.0
Unsecured	03/19/13	07/30/18	2.38	%	250.0		—
Unsecured	03/19/13	03/30/23	3.90	%	250.0		—
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		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
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	12/22/05	12/22/15	5.75	%	85.0		100.0
Unsecured	09/20/11	06/01/21	4.85	%	50.0		50.0
Unsecured	12/27/10	10/31/18	3.84	%	22.0		21.1
Unsecured	11/29/10	11/30/18	3.70	%	17.2		19.8
Secured	11/06/08	11/15/13	9.00	%	—		159.9
Total recourse fixed rate debt					$	2,874.2	$	2,250.8
Recourse Floating Rate Debt
Unsecured	06/27/13	12/31/20	1.91	%	$	137.5	$	—
Unsecured	12/21/12	12/21/17	1.81	%	100.0		100.0
Unsecured	12/12/11	06/12/17	1.63	%	103.5		109.3
Secured	12/19/11	12/19/20	2.10	%	91.1		95.5
Unsecured	08/12/13	06/12/17	1.63	%	71.1		—
Unsecured	01/22/13	12/21/17	1.81	%	70.0		—
Unsecured	08/31/12	12/31/19	2.47	%	68.7		66.0
Unsecured	12/15/10	10/31/15	1.58	%	36.4		42.9
Unsecured	02/21/13	12/21/17	1.81	%	35.0		—
Unsecured	01/12/12	06/12/17	1.63	%	31.5		33.2
Unsecured	10/30/13	12/31/20	1.78	%	34.4		—
Unsecured	03/29/06	09/30/16	2.22	%	32.2		41.2

	Date of Issue	Final Maturity	Interest Rate		2013			2012
Unsecured	12/06/11	08/31/16	1.56	%	22.1			25.8
Unsecured	12/18/07	10/31/16	2.12	%	21.6			27.7
Unsecured	06/29/07	09/30/16	2.17	%	14.4			18.4
Unsecured	03/01/10	02/28/15	1.98	%	13.7			13.2
Unsecured	09/02/11	08/31/16	1.28	%	11.5			13.4
Unsecured	03/18/08	03/18/14	1.31	%	—			100.0
Unsecured	05/17/11	05/17/13	1.50	%	—			100.0
Unsecured	06/30/06	06/28/13	0.90	%	—			70.0
Secured	05/14/09	05/14/14	2.84	%	—			38.0
Unsecured	12/31/03	09/30/13	1.14	%	—			1.8
Total recourse floating rate debt					$	894.7		$	896.4
Nonrecourse Fixed Rate Debt
Secured	09/30/97	09/20/16	6.69	%	$	25.4		$	35.1
Secured	06/13/06	12/31/13	6.26	%	—			21.4
Secured	08/01/07	06/30/17	6.77	%	—			2.5
Secured	06/16/06	04/29/16	6.80	%	—			1.3
Secured	08/01/07	07/31/17	6.78	%	—			0.8
Total nonrecourse fixed rate debt					$	25.4		$	61.1
Nonrecourse Floating Rate Debt
Secured	Various	05/08/14	1.46	%	$	47.7		$	49.3
Secured	Various	01/15/15	1.46	%	—			23.5
Total nonrecourse floating rate debt					$	47.7		$	72.8
Total debt principal					$	3,842.0		$	3,281.1
Debt discount, net					(8.9		)	(8.3		)
Debt adjustment for fair value hedges					5.4			10.2
Total Debt					$	3,838.5		$	3,283.0

Maturities of GATX's debt obligation

The following table shows the maturities of our debt obligations as of December 31, 2013 (in millions):

2014	$	433.8
2015	566.7
2016	660.7
2017	427.0
2018	514.0
Thereafter	1,239.8
Total debt principal	$	3,842.0