Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011
Operating activities:
Net income	$ 182.9		$ 88.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	148.8		144.3
Stock-based compensation expense	20.4		16.3
Excess tax benefits from stock-based compensation	1.4		(0.3)
Provision for deferred income taxes	92.4		32.4
Net gains on sales of railcars owned more than one year at the time of sale	(22.3)		(3.1)
Gain on disposition of property, plant, equipment, and other assets	(7.6)		(4.2)
Other	6.6		8.3
Changes in assets and liabilities:
(Increase) decrease in receivables	(38.8)		(79.3)
(Increase) decrease in income tax receivable	(3.5)		7.4
(Increase) decrease in inventories	(141.3)		(208.8)
(Increase) decrease in other assets	(53.1)		(10.2)
Increase (decrease) in accounts payable	5.2		78.6
Increase (decrease) in accrued liabilities	63.6		(30.0)
Increase (decrease) in other liabilities	(2.6)		15.9
Net cash provided by operating activities	252.1		56.1
Investing activities:
(Increase) decrease in short-term marketable securities	0		158.0
Proceeds from sales of railcars owned more than one year at the time of sale	94.9		17.8
Proceeds from lease fleet sales - sale and leaseback	7.2		0
Proceeds from disposition of property, plant, equipment, and other assets	18.9		6.8
Capital expenditures - leasing, net of sold railcars owned one year or less	(266.3)		(213.6)
Capital expenditures - manufacturing and other	(67.4)		(52.1)
Acquisitions, net of cash acquired	(4.9)		(42.5)
Net cash required by investing activities	(217.6)		(125.6)
Financing activities:
Proceeds from issuance of common stock, net	2.1		1.8
Excess tax benefits from stock-based compensation	(1.4)		0.3
Payments to retire debt - other	(123.4)		(1,068.5)
Proceeds from issuance of debt	117.4		1,124.5
Deferred loan issuance costs	0		(21.1)
(Increase) decrease in restricted cash	5.5		(22.3)
Shares repurchased	(45.2)		0
Dividends paid to common shareholders	(23.1)		(20.0)
Other	(5.3)		(6.4)
Net cash required by financing activities	(73.4)		(11.7)
Net decrease in cash and cash equivalents	(38.9)		(81.2)
Cash and cash equivalents at beginning of period	351.1		354.0
Cash and cash equivalents at end of period	$ 312.2	[1]	$ 272.8

[1] (unaudited)