Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017		Jun. 30, 2016
Operating activities:
Net income	$ 105.7		$ 200.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	146.5		139.9
Stock-based compensation expense	13.8		22.8
Excess tax benefits from stock-based compensation	0.0		(0.6)
Provision for deferred income taxes	116.4		126.9
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(23.7)		(13.5)
(Gains) losses on dispositions of property and other assets	(2.0)		0.5
Non-cash interest expense	14.7		14.2
Other	(0.6)		(2.6)
Changes in assets and liabilities:
(Increase) decrease in receivables	(52.8)		(43.4)
(Increase) decrease in inventories	39.6		60.5
(Increase) decrease in other assets	(0.9)		19.7
Increase (decrease) in accounts payable	11.0		4.4
Increase (decrease) in accrued liabilities	(4.9)		(47.8)
Increase (decrease) in other liabilities	(26.7)		4.5
Net cash provided (required) by operating activities	336.1		486.4
Investing activities:
(Increase) decrease in short-term marketable securities	55.1		(115.1)
Proceeds from dispositions of property and other assets	6.0		4.1
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	92.4		37.7
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $5.6 and $92.0	(271.6)		(346.0)
Capital expenditures – manufacturing and other	(43.4)		(79.8)
Acquisitions, net of cash acquired	(5.3)		0.0
Other	(2.1)		2.3
Net cash provided (required) by investing activities	(168.9)		(496.8)
Financing activities:
Excess tax benefits from stock-based compensation	0.0		0.6
Payments to retire debt	(98.3)		(77.6)
Proceeds from issuance of debt	299.4		0.0
(Increase) decrease in restricted cash	(16.6)		12.5
Shares repurchased	(41.9)		(34.7)
Dividends paid to common shareholders	(33.5)		(33.4)
Purchase of shares to satisfy employee tax on vested stock	(14.0)		(16.1)
Distributions to noncontrolling interest	(16.9)		(10.9)
Other	(0.1)		(2.0)
Net cash provided (required) by financing activities	78.1		(161.6)
Net increase (decrease) in cash and cash equivalents	245.3		(172.0)
Cash and cash equivalents at beginning of period	563.4		786.0
Cash and cash equivalents at end of period	$ 808.7	[1]	$ 614.0

[1] (unaudited)