Financial Statements for Guarantors of the Senior Notes (Details 3) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015	Jun. 30, 2016		Jun. 30, 2015
Operating activities:
Net income	$ 98.8		$ 220.8	$ 200.9		$ 409.8
Equity in earnings of subsidiaries, net of taxes	0.0		0.0	0.0		0.0
Other				285.5		(127.8)
Net cash provided (required) by operating activities				486.4		282.0
Investing activities:
(Increase) decrease in short-term marketable securities				(115.1)		75.0
Proceeds from dispositions of property and other assets				4.1		4.8
Proceeds from railcar lease fleet sales owned more than one year				37.7		167.4
Capital expenditures – leasing				(346.0)		(419.4)
Capital expenditures – manufacturing and other				(79.8)		(100.7)
Acquisitions, net of cash acquired				0.0		(46.2)
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Divestitures				0.0		51.3
Other				2.3		5.2
Net cash provided (required) by investing activities				(496.8)		(262.6)
Financing activities:
Proceeds from issuance of common stock, net				0.0		0.2
Excess tax benefits from stock-based compensation				0.6		12.8
Payments to retire debt				(77.6)		(471.0)
Proceeds from issuance of debt				0.0		242.4
(Increase) decrease in restricted cash				12.5		46.8
Shares repurchased				(34.7)		(75.0)
Dividends paid to common shareholders				(33.4)		(31.1)
Purchase of shares to satisfy employee tax on vested stock				(16.1)		(27.2)
Distributions to noncontrolling interest				(10.9)		(19.9)
Distributions to controlling interest in partially-owned subsidiaries				0.0		0.0
Change in intercompany financing between entities				0.0		0.0
Other				(2.0)		(1.5)
Net cash provided (required) by financing activities				(161.6)		(323.5)
Net decrease in cash and cash equivalents				(172.0)		(304.1)
Cash and cash equivalents at beginning of period				786.0		887.9
Cash and cash equivalents at end of period	614.0	[1]	583.8	614.0	[1]	583.8
Reportable legal entities | Parent
Operating activities:
Net income	94.6		212.0	191.8		392.2
Equity in earnings of subsidiaries, net of taxes	(106.0)		(246.3)	(228.1)		(443.2)
Other				48.8		(22.8)
Net cash provided (required) by operating activities				12.5		(73.8)
Investing activities:
(Increase) decrease in short-term marketable securities				(115.1)		75.0
Proceeds from dispositions of property and other assets				0.0		0.0
Proceeds from railcar lease fleet sales owned more than one year				0.0		0.0
Capital expenditures – leasing				0.0		0.0
Capital expenditures – manufacturing and other				(8.5)		(4.0)
Acquisitions, net of cash acquired				0.0		0.0
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Divestitures				0.0		0.0
Other				0.0		0.0
Net cash provided (required) by investing activities				(123.6)		71.0
Financing activities:
Proceeds from issuance of common stock, net				0.0		0.2
Excess tax benefits from stock-based compensation				0.6		12.8
Payments to retire debt				0.0		0.0
Proceeds from issuance of debt				0.0		(1.5)
(Increase) decrease in restricted cash				0.0		0.0
Shares repurchased				(34.7)		(75.0)
Dividends paid to common shareholders				(33.4)		(31.1)
Purchase of shares to satisfy employee tax on vested stock				(16.1)		(27.2)
Distributions to noncontrolling interest				0.0		0.0
Distributions to controlling interest in partially-owned subsidiaries				0.0		0.0
Change in intercompany financing between entities				19.0		(178.2)
Other				0.0		0.0
Net cash provided (required) by financing activities				(64.6)		(300.0)
Net decrease in cash and cash equivalents				(175.7)		(302.8)
Cash and cash equivalents at beginning of period				768.3		827.7
Cash and cash equivalents at end of period	592.6		524.9	592.6		524.9
Reportable legal entities | Combined Guarantor Subsidiaries
Operating activities:
Net income	80.3		205.2	167.8		376.0
Equity in earnings of subsidiaries, net of taxes	(16.0)		(66.8)	(42.6)		(124.6)
Other				201.3		(134.6)
Net cash provided (required) by operating activities				326.5		116.8
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property and other assets				0.2		1.9
Proceeds from railcar lease fleet sales owned more than one year				27.3		60.6
Capital expenditures – leasing				(343.7)		(422.4)
Capital expenditures – manufacturing and other				(5.5)		(22.3)
Acquisitions, net of cash acquired				0.0		0.0
(Increase) decrease in investment in partially-owned subsidiaries				6.7		12.8
Divestitures				0.0		0.0
Other				0.6		1.3
Net cash provided (required) by investing activities				(314.4)		(368.1)
Financing activities:
Proceeds from issuance of common stock, net				0.0		0.0
Excess tax benefits from stock-based compensation				0.0		0.0
Payments to retire debt				(1.7)		(1.6)
Proceeds from issuance of debt				0.0		0.0
(Increase) decrease in restricted cash				(3.0)		0.0
Shares repurchased				0.0		0.0
Dividends paid to common shareholders				0.0		0.0
Purchase of shares to satisfy employee tax on vested stock				0.0		0.0
Distributions to noncontrolling interest				0.0		0.0
Distributions to controlling interest in partially-owned subsidiaries				0.0		0.0
Change in intercompany financing between entities				(7.8)		243.4
Other				0.0		0.0
Net cash provided (required) by financing activities				(12.5)		241.8
Net decrease in cash and cash equivalents				(0.4)		(9.5)
Cash and cash equivalents at beginning of period				1.7		11.1
Cash and cash equivalents at end of period	1.3		1.6	1.3		1.6
Reportable legal entities | Combined Non-Guarantor Subsidiaries
Operating activities:
Net income	42.9		112.1	105.8		203.0
Equity in earnings of subsidiaries, net of taxes	0.0		0.0	0.0		0.0
Other				47.8		48.3
Net cash provided (required) by operating activities				153.6		251.3
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property and other assets				3.9		2.9
Proceeds from railcar lease fleet sales owned more than one year				10.4		150.0
Capital expenditures – leasing				(2.3)		(40.2)
Capital expenditures – manufacturing and other				(65.8)		(74.4)
Acquisitions, net of cash acquired				0.0		(46.2)
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Divestitures				0.0		51.3
Other				1.7		3.9
Net cash provided (required) by investing activities				(52.1)		47.3
Financing activities:
Proceeds from issuance of common stock, net				0.0		0.0
Excess tax benefits from stock-based compensation				0.0		0.0
Payments to retire debt				(75.9)		(469.4)
Proceeds from issuance of debt				0.0		243.9
(Increase) decrease in restricted cash				6.3		45.5
Shares repurchased				0.0		0.0
Dividends paid to common shareholders				0.0		0.0
Purchase of shares to satisfy employee tax on vested stock				0.0		0.0
Distributions to noncontrolling interest				(10.9)		(19.9)
Distributions to controlling interest in partially-owned subsidiaries				(6.7)		(12.8)
Change in intercompany financing between entities				(17.4)		(77.5)
Other				(2.0)		(1.5)
Net cash provided (required) by financing activities				(106.6)		(291.7)
Net decrease in cash and cash equivalents				(5.1)		6.9
Cash and cash equivalents at beginning of period				51.1		89.4
Cash and cash equivalents at end of period	46.0		96.3	46.0		96.3
Eliminations
Operating activities:
Net income	(119.0)		(308.5)	(264.5)		(561.4)
Equity in earnings of subsidiaries, net of taxes	122.0		313.1	270.7		567.8
Other				(12.4)		(18.7)
Net cash provided (required) by operating activities				(6.2)		(12.3)
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property and other assets				0.0		0.0
Proceeds from railcar lease fleet sales owned more than one year				0.0		(43.2)
Capital expenditures – leasing				0.0		43.2
Capital expenditures – manufacturing and other				0.0		0.0
Acquisitions, net of cash acquired				0.0		0.0
(Increase) decrease in investment in partially-owned subsidiaries				(6.7)		(12.8)
Divestitures				0.0		0.0
Other				0.0		0.0
Net cash provided (required) by investing activities				(6.7)		(12.8)
Financing activities:
Proceeds from issuance of common stock, net				0.0		0.0
Excess tax benefits from stock-based compensation				0.0		0.0
Payments to retire debt				0.0		0.0
Proceeds from issuance of debt				0.0		0.0
(Increase) decrease in restricted cash				9.2		1.3
Shares repurchased				0.0		0.0
Dividends paid to common shareholders				0.0		0.0
Purchase of shares to satisfy employee tax on vested stock				0.0		0.0
Distributions to noncontrolling interest				0.0		0.0
Distributions to controlling interest in partially-owned subsidiaries				6.7		12.8
Change in intercompany financing between entities				6.2		12.3
Other				0.0		0.0
Net cash provided (required) by financing activities				22.1		26.4
Net decrease in cash and cash equivalents				9.2		1.3
Cash and cash equivalents at beginning of period				(35.1)		(40.3)
Cash and cash equivalents at end of period	$ (25.9)		$ (39.0)	$ (25.9)		$ (39.0)

[1] (unaudited)