Financial Data of Business Segments (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Segment data

The following tables show certain segment data for the years ended December 31, 2014, 2013, and 2012 (in millions):

	Rail North America			Rail International			ASC			Portfolio Management			Other			GATX Consolidated
2014 Profitability
Revenues
Lease revenue	$	864.1		$	188.6		$	4.2		$	29.7		$	—		$	1,086.6
Marine operating revenue	—			—			223.0			63.3			—			286.3
Other revenue	63.4			10.3			—			4.4			—			78.1
Total Revenues	927.5			198.9			227.2			97.4			—			1,451.0
Expenses
Maintenance expense	265.5			45.9			25.6			—			—			337.0
Marine operating expense	—			—			149.2			48.6			—			197.8
Depreciation expense	190.0			47.1			13.6			22.8			—			273.5
Operating lease expense	103.7			—			5.2			—			(0.2		)	108.7
Other operating expense	21.9			5.1			—			1.9			—			28.9
Total Expenses	581.1			98.1			193.6			73.3			(0.2		)	945.9
Other Income (Expense)
Net gain (loss) on asset dispositions	72.3			6.0			(0.5		)	9.4			—			87.2
Interest expense, net	(98.4		)	(24.7		)	(5.6		)	(24.3		)	(5.4		)	(158.4		)
Other expense	(7.2		)	(3.1		)	(0.2		)	(1.2		)	(1.8		)	(13.5		)
Share of affiliates' earnings (pretax)	7.9			(0.3		)	—			60.2			—			67.8
Segment profit (loss)	$	321.0		$	78.7		$	27.3		$	68.2		$	(7.0	)	488.2
Selling, general and administrative expense																189.2
Income taxes (including $18.3 related to affiliates' earnings)																94.0
Net income																$	205.0
Selected Balance Sheet Data
Investments in affiliated companies	$	17.2		$	1.8		$	—		$	338.7		$	—		$	357.7
Identifiable assets	$	4,358.3		$	1,229.4		$	286.7		$	813.3		$	249.8		$	6,937.5
Capital Expenditures
Portfolio investments and capital additions	$	810.6		$	163.6		$	18.4		$	32.3		$	5.6		$	1,030.5

	Rail North America			Rail International			ASC			Portfolio Management			Other			GATX Consolidated
2013 Profitability
Revenues
Lease revenue	$	758.9		$	180.2		$	4.2		$	31.9		$	—		$	975.2
Marine operating revenue	—			—			223.5			51.6			—			275.1
Other revenue	58.2			8.8			—			3.7			—			70.7
Total Revenues	817.1			189.0			227.7			87.2			—			1,321.0
Expenses
Maintenance expense	228.2			42.9			22.9			—			—			294.0
Marine operating expense	—			—			151.3			38.5			—			189.8
Depreciation expense	176.7			43.2			12.1			23.0			—			255.0
Operating lease expense	124.4			—			5.2			—			(0.2		)	129.4
Other operating expense	18.4			5.3			—			2.4			—			26.1
Total Expenses	547.7			91.4			191.5			63.9			(0.2		)	894.3
Other Income (Expense)
Net gain (loss) on asset dispositions	67.7			3.7			(1.3		)	15.5			—			85.6
Interest expense, net	(106.0		)	(23.9		)	(6.2		)	(26.7		)	(3.8		)	(166.6		)
Other (expense) income	(9.8		)	(1.1		)	0.2			1.4			0.9			(8.4		)
Share of affiliates' earnings (pretax)	10.3			21.1			—			60.9			—			92.3
Segment profit (loss)	$	231.6		$	97.4		$	28.9		$	74.4		$	(2.7	)	429.6
Selling, general and administrative expense																178.3
Income taxes (including $16.5 related to affiliates' earnings)																82.0
Net income																$	169.3
Selected Balance Sheet Data
Investments in affiliated companies	$	31.4		$	2.0		$	—		$	320.9		$	—		$	354.3
Identifiable assets	$	3,710.5		$	1,297.1		$	271.0		$	856.9		$	414.1		$	6,549.6
Capital Expenditures
Portfolio investments and capital additions	$	502.4		$	168.5		$	11.2		$	170.5		$	7.0		$	859.6

	Rail North America			Rail International			ASC			Portfolio Management			Other			GATX Consolidated
2012 Profitability
Revenues
Lease revenue	$	713.9		$	161.2		$	4.3		$	37.6		$	—		$	917.0
Marine operating revenue	—			—			239.1			26.4			—			265.5
Other revenue	51.4			6.5			—			2.8			—			60.7
Total Revenues	765.3			167.7			243.4			66.8			—			1,243.2
Expenses
Maintenance expense	201.4			46.6			21.7			—			—			269.7
Marine operating expense	—			—			160.3			22.1			—			182.4
Depreciation expense	167.7			36.1			11.9			21.7			—			237.4
Operating lease expense	126.5			—			3.8			0.2			(0.3		)	130.2
Other operating expense	18.5			5.1			(0.3		)	0.9			0.0			24.2
Total Expenses	514.1			87.8			197.4			44.9			(0.3		)	843.9
Other Income (Expense)
Net gain on asset dispositions	58.6			1.7			—			19.2			—			79.5
Interest expense, net	(101.9		)	(24.5		)	(7.1		)	(27.7		)	(5.4		)	(166.6		)
Other (expense) income	(5.1		)	(6.1		)	(1.4		)	3.4			1.0			(8.2		)
Share of affiliates' earnings (pretax)	6.5			(18.3		)	—			33.4			—			21.6
Segment profit (loss)	$	209.3		$	32.7		$	37.5		$	50.2		$	(4.1	)	325.6
Selling, general and administrative expense																160.2
Income taxes (including $2.0 related to affiliates' earnings)																28.1
Net income																$	137.3
Selected Balance Sheet Data
Investments in affiliated companies	$	46.9		$	77.2		$	—		$	377.9		$	—		$	502.0
Identifiable assets	$	3,601.1		$	1,105.8		$	284.2		$	797.4		$	266.9		$	6,055.4
Capital Expenditures
Portfolio investments and capital additions	$	465.9		$	200.1		$	12.6		$	83.5		$	7.9		$	770.0