Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015
Operating activities:
Net income	$ 290.5		$ 622.0
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	210.6		197.9
Stock-based compensation expense	33.2		46.3
Excess tax benefits from stock-based compensation	(0.8)		(13.1)
Provision for deferred income taxes	158.1		13.8
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(13.5)		(102.8)
Gains on dispositions of property and other assets	(1.0)		(11.8)
Non-cash interest expense	21.3		23.0
Other	(3.1)		(1.1)
Changes in assets and liabilities:
(Increase) decrease in receivables	37.7		(43.9)
(Increase) decrease in inventories	73.5		50.7
(Increase) decrease in restricted cash	0.0		(9.4)
(Increase) decrease in other assets	8.5		(16.1)
Increase (decrease) in accounts payable	(5.8)		(0.8)
Increase (decrease) in accrued liabilities	(26.4)		(128.7)
Increase (decrease) in other liabilities	9.3		4.3
Net cash provided (required) by operating activities	792.1		630.3
Investing activities:
(Increase) decrease in short-term marketable securities	(199.8)		75.0
Proceeds from dispositions of property and other assets	8.9		6.1
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	37.7		313.4
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $92.0 and $150.0	(555.2)		(642.2)
Capital expenditures – manufacturing and other	(101.1)		(145.1)
Acquisitions, net of cash acquired	0.0		(46.2)
Divestitures	0.0		51.3
Other	4.0		4.8
Net cash provided (required) by investing activities	(805.5)		(382.9)
Financing activities:
Proceeds from issuance of common stock, net	0.0		0.2
Excess tax benefits from stock-based compensation	0.8		13.1
Payments to retire debt	(106.0)		(530.8)
Proceeds from issuance of debt	0.0		242.4
Decrease in restricted cash	11.9		32.3
Shares repurchased	(34.7)		(107.5)
Dividends paid to common shareholders	(50.0)		(48.0)
Purchase of shares to satisfy employee tax on vested stock	(16.4)		(27.4)
Distributions to noncontrolling interest	(18.4)		(30.4)
Other	(2.0)		(1.4)
Net cash provided (required) by financing activities	(214.8)		(457.5)
Net decrease in cash and cash equivalents	(228.2)		(210.1)
Cash and cash equivalents at beginning of period	786.0		887.9
Cash and cash equivalents at end of period	$ 557.8	[1]	$ 677.8

[1] (unaudited)