Financial Statements for Guarantors of the Senior Notes (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Operating activities:
Net income	$ 156.9		$ 106.1	$ 563.0		$ 273.1
Equity in earnings of subsidiaries, net of taxes	0		0	0		0
Other				(231.2)		95.4
Net cash provided (required) by operating activities - continuing operations				331.8		368.5
Net cash provided by operating activities - discontinued operations				0.8		6.2
Net cash provided (required) by operating activities				332.6		374.7
Investing activities:
(Increase) decrease in short-term marketable securities				149.7		(96.0)
Net change in TRIP Holdings Senior Secured Notes						0
Proceeds from railcar lease fleet sales				257.4		59.3
Proceeds from disposition of property, plant, equipment, and other assets				21.9		1.1
Capital expenditures – leasing				(170.4)		(455.5)
Capital expenditures – manufacturing and other				(170.0)		(91.2)
Acquisitions, net of cash acquired	(593.0)		0	(711.8)		(37.2)
(Increase) decrease in investment in partially-owned subsidiaries				0		0
Other				2.0		(9.4)
Net cash provided (required) by investing activities - continuing operations				(621.2)		(628.9)
Net cash provided by investing activities - discontinued operations				0		0.4
Net cash provided (required) by investing activities				(621.2)		(628.5)
Financing activities:
Proceeds from issuance of common stock, net				0.6		2.1
Excess tax benefits from stock-based compensation				24.2		8.1
Payments to retire debt				(140.2)		(227.5)
Proceeds from issuance of debt				727.4		175.4
(Increase) decrease in restricted cash				(2.2)		(26.1)
Shares repurchased				(36.5)		(71.1)
Dividends paid to common shareholders				(38.7)		(27.5)
Purchase of shares to satisfy employee tax on vested stock				(38.5)		(9.1)
Proceeds from sale of interests in partially-owned leasing subsidiaries				0		296.7
Repurchase of noncontrolling interests in partially-owned leasing subsidiary				0		(84.0)
Contributions from noncontrolling interest				49.6		50.0
Distributions to noncontrolling interest				(19.3)		(3.3)
Distributions to controlling interest in partially-owned subsidiaries						0
Contributions from controlling interest in partially-owned subsidiaries				0
Other				(1.3)		0.7
Net cash provided (required) by financing activities - continuing operations				525.1		84.4
Net cash required by financing activities - discontinued operations				(1.3)		(1.0)
Net cash provided (required) by financing activities				523.8		83.4
Net increase (decrease) in cash and cash equivalents				235.2		(170.4)
Cash and cash equivalents at beginning of period				428.5		573.0
Cash and cash equivalents at end of period	663.7	[1]	402.6	663.7	[1]	402.6
Parent
Operating activities:
Net income	156.9		106.1	563.0		273.1
Equity in earnings of subsidiaries, net of taxes	(212.6)		(126.6)	(622.4)		(295.8)
Other				(159.3)		(41.2)
Net cash provided (required) by operating activities - continuing operations				(218.7)		(63.9)
Net cash provided by operating activities - discontinued operations				0		0
Net cash provided (required) by operating activities				(218.7)		(63.9)
Investing activities:
(Increase) decrease in short-term marketable securities				149.7		(96.0)
Net change in TRIP Holdings Senior Secured Notes						108.8
Proceeds from railcar lease fleet sales				0		0
Proceeds from disposition of property, plant, equipment, and other assets				0.4		0
Capital expenditures – leasing				0		0
Capital expenditures – manufacturing and other				(7.8)		(9.8)
Acquisitions, net of cash acquired				0		0
(Increase) decrease in investment in partially-owned subsidiaries				0		0
Other				0		0
Net cash provided (required) by investing activities - continuing operations				142.3		3.0
Net cash provided by investing activities - discontinued operations				0		0
Net cash provided (required) by investing activities				142.3		3.0
Financing activities:
Proceeds from issuance of common stock, net				0.6		2.1
Excess tax benefits from stock-based compensation				24.2		8.1
Payments to retire debt				(0.5)		0
Proceeds from issuance of debt				395.4		0
(Increase) decrease in restricted cash				0		0
Shares repurchased				(36.5)		(71.1)
Dividends paid to common shareholders				(38.7)		(27.5)
Purchase of shares to satisfy employee tax on vested stock				(38.5)		(9.1)
Proceeds from sale of interests in partially-owned leasing subsidiaries						0
Repurchase of noncontrolling interests in partially-owned leasing subsidiary						0
Contributions from noncontrolling interest				0		0
Distributions to noncontrolling interest				0		0
Distributions to controlling interest in partially-owned subsidiaries						0
Contributions from controlling interest in partially-owned subsidiaries				0
Other				0		0
Net cash provided (required) by financing activities - continuing operations				306.0		(97.5)
Net cash required by financing activities - discontinued operations				0		0
Net cash provided (required) by financing activities				306.0		(97.5)
Net increase (decrease) in cash and cash equivalents				229.6		(158.4)
Cash and cash equivalents at beginning of period				409.8		506.2
Cash and cash equivalents at end of period	639.4		347.8	639.4		347.8
Combined Guarantor Subsidiaries
Operating activities:
Net income	199.5		153.6	593.8		320.1
Equity in earnings of subsidiaries, net of taxes	(39.5)		(50.9)	(165.9)		(103.4)
Other				(752.1)		45.2
Net cash provided (required) by operating activities - continuing operations				(324.2)		261.9
Net cash provided by operating activities - discontinued operations				0.8		12.5
Net cash provided (required) by operating activities				(323.4)		274.4
Investing activities:
(Increase) decrease in short-term marketable securities				0		0
Net change in TRIP Holdings Senior Secured Notes						0
Proceeds from railcar lease fleet sales				549.1		258.5
Proceeds from disposition of property, plant, equipment, and other assets				0		0.1
Capital expenditures – leasing				(164.4)		(434.2)
Capital expenditures – manufacturing and other				(48.7)		(36.5)
Acquisitions, net of cash acquired				0		35.6
(Increase) decrease in investment in partially-owned subsidiaries				(10.2)		42.9
Other				1.5		(7.7)
Net cash provided (required) by investing activities - continuing operations				327.3		(141.3)
Net cash provided by investing activities - discontinued operations				0		0.4
Net cash provided (required) by investing activities				327.3		(140.9)
Financing activities:
Proceeds from issuance of common stock, net				0		0
Excess tax benefits from stock-based compensation				0		0
Payments to retire debt				(2.3)		(51.6)
Proceeds from issuance of debt				0		0
(Increase) decrease in restricted cash				0		0
Shares repurchased				0		0
Dividends paid to common shareholders				0		0
Purchase of shares to satisfy employee tax on vested stock				0		0
Proceeds from sale of interests in partially-owned leasing subsidiaries						0
Repurchase of noncontrolling interests in partially-owned leasing subsidiary						(84.0)
Contributions from noncontrolling interest				0		0
Distributions to noncontrolling interest				0		0
Distributions to controlling interest in partially-owned subsidiaries						0
Contributions from controlling interest in partially-owned subsidiaries				0
Other				(0.5)		(0.1)
Net cash provided (required) by financing activities - continuing operations				(2.8)		(135.7)
Net cash required by financing activities - discontinued operations				(1.3)		(1.0)
Net cash provided (required) by financing activities				(4.1)		(136.7)
Net increase (decrease) in cash and cash equivalents				(0.2)		(3.2)
Cash and cash equivalents at beginning of period				2.1		4.4
Cash and cash equivalents at end of period	1.9		1.2	1.9		1.2
Combined Non-Guarantor Subsidiaries
Operating activities:
Net income	52.4		20.9	194.9		76.8
Equity in earnings of subsidiaries, net of taxes	0		0	0		0
Other				679.8		93.7
Net cash provided (required) by operating activities - continuing operations				874.7		170.5
Net cash provided by operating activities - discontinued operations				0		(6.3)
Net cash provided (required) by operating activities				874.7		164.2
Investing activities:
(Increase) decrease in short-term marketable securities				0		0
Net change in TRIP Holdings Senior Secured Notes						0
Proceeds from railcar lease fleet sales				132.1		34.3
Proceeds from disposition of property, plant, equipment, and other assets				21.5		1.0
Capital expenditures – leasing				(429.8)		(254.8)
Capital expenditures – manufacturing and other				(113.5)		(44.9)
Acquisitions, net of cash acquired				(711.8)		(72.8)
(Increase) decrease in investment in partially-owned subsidiaries				0		0
Other				0.5		(1.7)
Net cash provided (required) by investing activities - continuing operations				(1,101.0)		(338.9)
Net cash provided by investing activities - discontinued operations				0		0
Net cash provided (required) by investing activities				(1,101.0)		(338.9)
Financing activities:
Proceeds from issuance of common stock, net				0		0
Excess tax benefits from stock-based compensation				0		0
Payments to retire debt				(137.4)		(284.7)
Proceeds from issuance of debt				332.0		175.4
(Increase) decrease in restricted cash				6.8		(8.6)
Shares repurchased				0		0
Dividends paid to common shareholders				0		0
Purchase of shares to satisfy employee tax on vested stock				0		0
Proceeds from sale of interests in partially-owned leasing subsidiaries						296.7
Repurchase of noncontrolling interests in partially-owned leasing subsidiary						0
Contributions from noncontrolling interest				49.6		50.0
Distributions to noncontrolling interest				(19.3)		(3.3)
Distributions to controlling interest in partially-owned subsidiaries						(42.9)
Contributions from controlling interest in partially-owned subsidiaries				10.2
Other				(0.8)		0.8
Net cash provided (required) by financing activities - continuing operations				241.1		183.4
Net cash required by financing activities - discontinued operations				0		0
Net cash provided (required) by financing activities				241.1		183.4
Net increase (decrease) in cash and cash equivalents				14.8		8.7
Cash and cash equivalents at beginning of period				44.0		74.8
Cash and cash equivalents at end of period	58.8		83.5	58.8		83.5
Eliminations
Operating activities:
Net income	(251.9)		(174.5)	(788.7)		(396.9)
Equity in earnings of subsidiaries, net of taxes	252.1		177.5	788.3		399.2
Other				0.4		(2.3)
Net cash provided (required) by operating activities - continuing operations				0		0
Net cash provided by operating activities - discontinued operations				0		0
Net cash provided (required) by operating activities				0		0
Investing activities:
(Increase) decrease in short-term marketable securities				0		0
Net change in TRIP Holdings Senior Secured Notes						(108.8)
Proceeds from railcar lease fleet sales				(423.8)		(233.5)
Proceeds from disposition of property, plant, equipment, and other assets				0		0
Capital expenditures – leasing				423.8		233.5
Capital expenditures – manufacturing and other				0		0
Acquisitions, net of cash acquired				0		0
(Increase) decrease in investment in partially-owned subsidiaries				10.2		(42.9)
Other				0		0
Net cash provided (required) by investing activities - continuing operations				10.2		(151.7)
Net cash provided by investing activities - discontinued operations				0		0
Net cash provided (required) by investing activities				10.2		(151.7)
Financing activities:
Proceeds from issuance of common stock, net				0		0
Excess tax benefits from stock-based compensation				0		0
Payments to retire debt				0		108.8
Proceeds from issuance of debt				0		0
(Increase) decrease in restricted cash				(9.0)		(17.5)
Shares repurchased				0		0
Dividends paid to common shareholders				0		0
Purchase of shares to satisfy employee tax on vested stock				0		0
Proceeds from sale of interests in partially-owned leasing subsidiaries						0
Repurchase of noncontrolling interests in partially-owned leasing subsidiary						0
Contributions from noncontrolling interest				0
Distributions to noncontrolling interest				0
Distributions to controlling interest in partially-owned subsidiaries						42.9
Contributions from controlling interest in partially-owned subsidiaries				(10.2)
Other				0		0
Net cash provided (required) by financing activities - continuing operations				(19.2)		134.2
Net cash required by financing activities - discontinued operations				0		0
Net cash provided (required) by financing activities				(19.2)		134.2
Net increase (decrease) in cash and cash equivalents				(9.0)		(17.5)
Cash and cash equivalents at beginning of period				(27.4)		(12.4)
Cash and cash equivalents at end of period	$ (36.4)		$ (29.9)	$ (36.4)		$ (29.9)

[1] (unaudited)