Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016
Operating activities:
Net income	$ 173.6		$ 290.5
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	220.7		210.6
Stock-based compensation expense	22.4		33.2
Excess tax benefits from stock-based compensation	0.0		(0.8)
Provision for deferred income taxes	151.7		158.1
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(40.2)		(13.5)
Gains on dispositions of property and other assets	(1.6)		(1.0)
Non-cash interest expense	24.1		21.3
Other	(0.6)		(3.1)
Changes in assets and liabilities:
(Increase) decrease in receivables	(94.3)		37.7
(Increase) decrease in inventories	10.6		73.5
(Increase) decrease in other assets	(4.3)		8.5
Increase (decrease) in accounts payable	38.4		(5.8)
Increase (decrease) in accrued liabilities	12.5		(26.4)
Increase (decrease) in other liabilities	(24.8)		9.3
Net cash provided (required) by operating activities	488.2		792.1
Investing activities:
(Increase) decrease in short-term marketable securities	84.7		(199.8)
Proceeds from dispositions of property and other assets	8.1		8.9
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	160.3		37.7
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $74.3 and $92.0	(360.4)		(555.2)
Capital expenditures – manufacturing and other	(61.9)		(101.1)
Acquisitions, net of cash acquired	(47.5)		0.0
Other	(0.3)		4.0
Net cash provided (required) by investing activities	(217.0)		(805.5)
Financing activities:
Excess tax benefits from stock-based compensation	0.0		0.8
Payments to retire debt	(334.9)		(106.0)
Proceeds from issuance of debt	534.1		0.0
(Increase) decrease in restricted cash	1.9		11.9
Shares repurchased	(52.4)		(34.7)
Dividends paid to common shareholders	(53.0)		(50.0)
Purchase of shares to satisfy employee tax on vested stock	(14.1)		(16.4)
Distributions to noncontrolling interest	(41.4)		(18.4)
Other	(0.1)		(2.0)
Net cash provided (required) by financing activities	40.1		(214.8)
Net increase (decrease) in cash and cash equivalents	311.3		(228.2)
Cash and cash equivalents at beginning of period	563.4		786.0
Cash and cash equivalents at end of period	$ 874.7	[1]	$ 557.8

[1] (unaudited)