Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Commercial Paper and Borrowings Under Bank Credit Facilities

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

	December 31
	2018			2017
Balance	$	110.8		$	4.3
Weighted average interest rate	2.77		%	1.02		%

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		2018			2017
Recourse Fixed Rate Debt
Unsecured	03/04/14	07/30/19	2.50	%	$	250.0		$	250.0
Unsecured	10/31/14	03/30/20	2.60	%	250.0			250.0
Unsecured	02/06/15	03/30/20	2.60	%	100.0			100.0
Unsecured	05/27/11	06/01/21	4.85	%	250.0			250.0
Unsecured	09/20/11	06/01/21	4.85	%	50.0			50.0
Unsecured	06/11/12	06/15/22	4.75	%	250.0			250.0
Unsecured	03/19/13	03/30/23	3.90	%	250.0			250.0
Unsecured	11/05/18	02/15/24	4.35	%	300.0			—
Unsecured	02/06/15	03/30/25	3.25	%	300.0			300.0
Unsecured	09/13/16	09/15/26	3.25	%	350.0			350.0
Unsecured	02/09/17	03/30/27	3.85	%	300.0			300.0
Unsecured	11/02/17	03/15/28	3.50	%	300.0			300.0
Unsecured	05/07/18	11/07/28	4.55	%	300.0			—
Unsecured	03/04/14	03/15/44	5.20	%	300.0			300.0
Unsecured	02/06/15	03/30/45	4.50	%	250.0			250.0
Unsecured	05/16/16	05/30/66	5.63	%	150.0			150.0
Unsecured (1)	11/19/13	03/15/19	2.50	%	—			300.0
Unsecured	01/30/15	12/31/18	1.20	%	—			60.0
Unsecured	11/29/10	11/30/18	3.70	%	—			3.0
Unsecured	12/27/10	10/31/18	3.84	%	—			12.0
Unsecured	03/19/13	07/30/18	2.38	%	—			250.0
Secured (2)	08/28/96	02/28/18	7.86	%	—			11.6
Total recourse fixed rate debt					$	3,950.0		$	3,986.6
Recourse Floating Rate Debt
Unsecured	11/06/17	11/05/21	3.30	%	$	300.0		$	200.0
Unsecured	12/22/16	12/20/21	0.85	%	63.1			66.0
Unsecured	08/28/14	08/28/24	4.00	%	100.0			100.0
Unsecured	09/23/15	09/23/25	4.07	%	60.0			60.0
Total recourse floating rate debt					$	523.1		$	426.0
Total debt principal					$	4,473.1		$	4,412.6
Unamortized debt discount and debt issuance costs					(35.9		)	(36.2		)
Debt adjustment for fair value hedges					(7.5		)	(4.7		)
Total Debt					$	4,429.7		$	4,371.7

Maturities of GATX's debt obligation

The following table shows the scheduled principal payments of our debt obligations as of December 31, 2018 (in millions):

2019	$	250.0
2020	350.0
2021	663.1
2022	250.0
2023	250.0
Thereafter	2,710.0
Total debt principal	$	4,473.1