Financial Statements for Guarantors of the Senior Notes (Details 2) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Operating activities:
Net income	$ 220.8		$ 173.1	$ 409.8		$ 406.1
Equity in earnings of subsidiaries, net of taxes	0.0		0.0	0.0		0.0
Other				(127.8)		(248.7)
Net cash provided (required) by operating activities				282.0		157.4
Investing activities:
(Increase) decrease in short-term marketable securities				75.0		(68.8)
Proceeds from dispositions of property				4.8		21.0
Proceeds from railcar lease fleet sales				167.4		242.1
Capital expenditures – leasing				(419.4)		(49.5)
Capital expenditures – manufacturing and other				(100.7)		(107.5)
Acquisitions, net of cash acquired	0.0		(6.2)	(46.2)		(118.8)
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Proceeds from Divestiture of Businesses, Net of Cash Divested				51.3		0.0
Other				5.2		0.3
Net cash provided (required) by investing activities				(262.6)		(81.2)
Financing activities:
Proceeds from issuance of common stock, net				0.2		0.4
Excess tax benefits from stock-based compensation				12.8		23.6
Payments to retire debt				(471.0)		(90.1)
Proceeds from issuance of debt				242.4		332.1
(Increase) decrease in restricted cash				46.8		(12.8)
Shares repurchased				(75.0)		(17.5)
Dividends paid to common shareholders				(31.1)		(23.2)
Purchase of shares to satisfy employee tax on vested stock				(27.2)		(38.1)
Contributions from noncontrolling interest				0.0		49.6
Contributions from controlling interest in partially-owned subsidiaries				0.0		0.0
Distributions to noncontrolling interest				(19.9)		(12.3)
Distributions to controlling interest in partially-owned subsidiaries				0.0		0.0
Change in intercompany financing between entities				0.0		0.0
Other				(1.5)		(1.1)
Net cash provided (required) by financing activities				(323.5)		210.6
Net increase (decrease) in cash and cash equivalents				(304.1)		286.8
Cash and cash equivalents at beginning of period				887.9		428.5
Cash and cash equivalents at end of period	583.8	[1]	715.3	583.8	[1]	715.3
Parent
Operating activities:
Net income	212.0		164.2	392.2		390.6
Equity in earnings of subsidiaries, net of taxes	(246.3)		(150.1)	(443.2)		(402.3)
Other				(22.8)		40.4
Net cash provided (required) by operating activities				(73.8)		28.7
Investing activities:
(Increase) decrease in short-term marketable securities				75.0		(68.8)
Proceeds from dispositions of property				0.0		0.4
Proceeds from railcar lease fleet sales				0.0		0.0
Capital expenditures – leasing				0.0		0.0
Capital expenditures – manufacturing and other				(4.0)		(4.7)
Acquisitions, net of cash acquired				0.0		0.0
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Proceeds from Divestiture of Businesses, Net of Cash Divested				0.0		0.0
Other				0.0		0.0
Net cash provided (required) by investing activities				71.0		(73.1)
Financing activities:
Proceeds from issuance of common stock, net				0.2		0.4
Excess tax benefits from stock-based compensation				12.8		23.6
Payments to retire debt				0.0		0.0
Proceeds from issuance of debt				(1.5)		0.0
(Increase) decrease in restricted cash				0.0		0.0
Shares repurchased				(75.0)		(17.5)
Dividends paid to common shareholders				(31.1)		(23.2)
Purchase of shares to satisfy employee tax on vested stock				(27.2)		(38.1)
Contributions from noncontrolling interest				0.0		0.0
Contributions from controlling interest in partially-owned subsidiaries				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				(178.2)		378.5
Other				0.0		0.0
Net cash provided (required) by financing activities				(300.0)		323.7
Net increase (decrease) in cash and cash equivalents				(302.8)		279.3
Cash and cash equivalents at beginning of period				827.7		409.8
Cash and cash equivalents at end of period	524.9		689.1	524.9		689.1
Combined Guarantor Subsidiaries
Operating activities:
Net income	205.2		116.4	376.0		331.5
Equity in earnings of subsidiaries, net of taxes	(66.8)		(27.3)	(124.6)		(76.4)
Other				(134.6)		(317.1)
Net cash provided (required) by operating activities				116.8		(62.0)
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property				1.9		0.0
Proceeds from railcar lease fleet sales				60.6		544.6
Capital expenditures – leasing				(422.4)		(46.8)
Capital expenditures – manufacturing and other				(22.3)		(25.6)
Acquisitions, net of cash acquired				0.0		0.0
(Increase) decrease in investment in partially-owned subsidiaries				12.8		(14.5)
Proceeds from Divestiture of Businesses, Net of Cash Divested				0.0		0.0
Other				1.3		0.0
Net cash provided (required) by investing activities				(368.1)		457.7
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				(1.6)		(1.6)
Proceeds from issuance of debt				0.0		0.0
(Increase) decrease in restricted cash				0.0		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
Contributions from noncontrolling interest				0.0		0.0
Contributions from controlling interest in partially-owned subsidiaries				0.0		0.0
Distributions to noncontrolling interest				0.0		0.0
Distributions to controlling interest in partially-owned subsidiaries						0.0
Change in intercompany financing between entities				243.4		(394.4)
Other				0.0		(0.5)
Net cash provided (required) by financing activities				241.8		(396.5)
Net increase (decrease) in cash and cash equivalents				(9.5)		(0.8)
Cash and cash equivalents at beginning of period				11.1		2.1
Cash and cash equivalents at end of period	1.6		1.3	1.6		1.3
Combined Non-Guarantor Subsidiaries
Operating activities:
Net income	112.1		61.5	203.0		155.0
Equity in earnings of subsidiaries, net of taxes	0.0		0.0	0.0		0.0
Other				48.3		35.2
Net cash provided (required) by operating activities				251.3		190.2
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property				2.9		20.6
Proceeds from railcar lease fleet sales				150.0		117.0
Capital expenditures – leasing				(40.2)		(422.2)
Capital expenditures – manufacturing and other				(74.4)		(77.2)
Acquisitions, net of cash acquired				(46.2)		(118.8)
(Increase) decrease in investment in partially-owned subsidiaries				0.0		0.0
Proceeds from Divestiture of Businesses, Net of Cash Divested				51.3		0.0
Other				3.9		0.3
Net cash provided (required) by investing activities				47.3		(480.3)
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				(469.4)		(88.5)
Proceeds from issuance of debt				243.9		332.1
(Increase) decrease in restricted cash				45.5		(6.7)
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
Contributions from noncontrolling interest				0.0		49.6
Contributions from controlling interest in partially-owned subsidiaries				0.0		14.5
Distributions to noncontrolling interest				(19.9)		(12.3)
Distributions to controlling interest in partially-owned subsidiaries				(12.8)		0.0
Change in intercompany financing between entities				(77.5)		16.5
Other				(1.5)		(0.6)
Net cash provided (required) by financing activities				(291.7)		304.6
Net increase (decrease) in cash and cash equivalents				6.9		14.5
Cash and cash equivalents at beginning of period				89.4		44.0
Cash and cash equivalents at end of period	96.3		58.5	96.3		58.5
Eliminations
Operating activities:
Net income	(308.5)		(169.0)	(561.4)		(471.0)
Equity in earnings of subsidiaries, net of taxes	313.1		177.4	567.8		478.7
Other				(18.7)		(7.2)
Net cash provided (required) by operating activities				(12.3)		0.5
Investing activities:
(Increase) decrease in short-term marketable securities				0.0		0.0
Proceeds from dispositions of property				0.0		0.0
Proceeds from railcar lease fleet sales				(43.2)		(419.5)
Capital expenditures – leasing				43.2		419.5
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				(12.8)		14.5
Proceeds from Divestiture of Businesses, Net of Cash Divested				0.0		0.0
Other				0.0		0.0
Net cash provided (required) by investing activities				(12.8)		14.5
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				1.3		(6.1)
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
Contributions from noncontrolling interest				0.0		0.0
Contributions from controlling interest in partially-owned subsidiaries				0.0		(14.5)
Distributions to noncontrolling interest				0.0		0.0
Distributions to controlling interest in partially-owned subsidiaries				12.8		0.0
Change in intercompany financing between entities				12.3		(0.6)
Other				0.0		0.0
Net cash provided (required) by financing activities				26.4		(21.2)
Net increase (decrease) in cash and cash equivalents				1.3		(6.2)
Cash and cash equivalents at beginning of period				(40.3)		(27.4)
Cash and cash equivalents at end of period	$ (39.0)		$ (33.6)	$ (39.0)		$ (33.6)

[1] (unaudited)