Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Activities
Net income	$ 57.5	$ 69.3
Adjustments to reconcile income to net cash provided by operating activities:
Depreciation	75.2	72.5
Gains on sales of assets	(24.5)	(21.4)
Deferred income taxes	16.5	25.8
Share of affiliates’ earnings, net of dividends	(8.7)	(7.4)
Change in income taxes payable	(6.2)	(9.0)
Change in accrued operating lease expense	(26.9)	(21.1)
Other	(30.9)	(28.8)
Net cash provided by operating activities	52.0	79.9
Investing Activities
Additions to operating assets and facilities	(129.0)	(140.2)
Purchases of leased-in assets	(79.3)	(92.8)
Portfolio proceeds	44.0	98.4
Proceeds from sales of other assets	7.6	9.4
Payments for (Proceeds from) Other Investing Activities	0.0	0.0
Net cash used in investing activities	(156.7)	(125.2)
Financing Activities
Net proceeds from issuances of debt (original maturities longer than 90 days)	297.9	322.7
Repayments of debt (original maturities longer than 90 days)	(300.1)	(202.3)
Net increase (decrease) in debt with original maturities of 90 days or less	(0.8)	9.8
Stock repurchases	(25.0)	(50.0)
Dividends	(18.4)	(18.1)
Other	(2.3)	(4.0)
Net cash (used in) provided by financing activities	(48.7)	58.1
Effect of Exchange Rate Changes on Cash and Cash Equivalents	1.3	1.0
Net (decrease) increase in Cash and Cash Equivalents during the period	(152.1)	13.8
Cash and Cash Equivalents at beginning of period	311.1	219.7
Cash and Cash Equivalents at end of period	$ 159.0	$ 233.5