Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income	$ 135.4	$ 173.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	234.0	220.7
Stock-based compensation expense	29.3	22.4
Provision for deferred income taxes	57.8	151.7
Net gains on railcar lease fleet sales owned more than one year at the time of sale	(21.0)	(40.2)
Gains on dispositions of property and other assets	(4.1)	(1.6)
Non-cash interest expense	15.0	24.1
Asset Impairment Charges	24.8	0.0
Other	4.8	(0.6)
Changes in assets and liabilities:
(Increase) decrease in receivables	(23.5)	(94.3)
(Increase) decrease in inventories	(110.1)	10.6
(Increase) decrease in other assets	(57.1)	(4.3)
Increase (decrease) in accounts payable	45.9	38.4
Increase (decrease) in accrued liabilities	(14.7)	12.5
Increase (decrease) in other liabilities	3.4	(24.8)
Net cash provided (required) by operating activities	319.9	488.2
Investing activities:
(Increase) decrease in short-term marketable securities	319.5	84.7
Proceeds from dispositions of property and other assets	11.8	8.1
Proceeds from railcar lease fleet sales owned more than one year at the time of sale	123.4	160.3
Capital expenditures – leasing, net of sold lease fleet railcars owned one year or less with a net cost of $63.2 and $74.3	(675.8)	(360.4)
Capital expenditures – manufacturing and other	(63.0)	(61.9)
Acquisitions, net of cash acquired	(25.0)	(47.5)
Other	(1.9)	(0.3)
Net cash provided (required) by investing activities	(311.0)	(217.0)
Financing activities:
Payments to retire debt	(739.0)	(334.9)
Proceeds from issuance of debt, net of debt issuance costs	561.3	534.1
Shares repurchased	(156.1)	(52.4)
Dividends paid to common shareholders	(58.1)	(53.0)
Purchase of shares to satisfy employee tax on vested stock	(11.5)	(14.1)
Distributions to noncontrolling interest	(10.3)	(41.4)
Other	(3.1)	(0.1)
Net cash provided (required) by financing activities	(416.8)	38.2
Net (decrease) increase in cash, cash equivalents, and restricted cash	(407.9)	309.4
Cash, cash equivalents, and restricted cash at beginning of period	973.8	741.6
Cash, cash equivalents, and restricted cash at end of period	$ 565.9	$ 1,051.0

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c).

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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