Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015
Operating activities:
Net income	$ 200.9		$ 409.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	139.9		130.4
Stock-based compensation expense	22.8		31.3
Excess tax benefits from stock-based compensation	(0.6)		(12.8)
Provision (benefit) for deferred income taxes	126.9		(4.9)
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(13.5)		(45.0)
(Gains) losses on dispositions of property and other assets	0.5		(10.9)
Non-cash interest expense	14.2		16.1
Other	(2.6)		0.5
Changes in assets and liabilities:
(Increase) decrease in receivables	(43.4)		(128.8)
(Increase) decrease in inventories	60.5		81.7
(Increase) decrease in restricted cash	0.0		(9.4)
(Increase) decrease in other assets	19.7		(7.0)
Increase (decrease) in accounts payable	4.4		(22.0)
Increase (decrease) in accrued liabilities	(47.8)		(150.7)
Increase (decrease) in other liabilities	4.5		3.7
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 at the time of sale	37.7		167.4
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $92.0 and $96.0	(346.0)		(419.4)
Capital expenditures – manufacturing and other	(79.8)		(100.7)
Acquisitions, net of cash acquired	0.0		(46.2)
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)
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

[1] (unaudited)