Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income	$ 144.3	$ 177.3
Discontinued operations, net of tax	0.0	4.6
Income from continuing operations	144.3	181.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	181.2	182.7
Net loss/(gain) on investments in affiliated companies and assets-held-for sale	0.5	(22.6)
Net (earnings)/dividends, from equity method investments	1.8	1.4
Deferred taxes	(11.2)	0.1
Amortization of discount and deferred financing fees	1.9	3.2
Stock-based compensation	21.5	16.6
Provision for losses on trade accounts receivable	10.3	5.6
Other	3.8	1.6
Changes in assets and liabilities:
Trade accounts receivable	(12.5)	(32.6)
Other current and long-term assets	(7.5)	(34.8)
Trade accounts payable	28.8	6.1
Other current and long-term liabilities	16.5	(0.9)
Cash provided by operating activities of continuing operations	379.4	308.3
Cash used in operating activities of discontinued operations	0.0	(7.3)
Cash provided by operating activities	379.4	301.0
Cash flows from investing activities:
Capital expenditures	(87.6)	(88.0)
Proceeds from sale/maturity of other investments	24.7	10.5
Purchases of other investments	(50.7)	(19.8)
Acquisitions and purchases of noncontrolling interests, net of cash acquired	(5.2)	(45.9)
Proceeds from disposals of assets held for sale	1.6	40.3
Other	0.7	(4.9)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(116.5)	(107.8)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	0.0	0.0
Cash used in investing activities	(116.5)	(107.8)
Cash flows from financing activities:
Repayments of debt	(31.2)	(133.9)
Proceeds from issuance of common stock and exercise of stock options	12.9	12.8
Dividends to shareholders	(29.0)	(28.5)
Employee taxes paid on restricted stock units recorded as treasury stock	(33.1)	(36.9)
Cash used in financing activities	(86.8)	(187.3)
Effect of exchange rate changes on cash and cash equivalents	(18.0)	1.4
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	158.1	7.3
Cash and cash equivalents, beginning of period	274.1	187.4
Cash and cash equivalents, end of period	432.2	194.7
Payments to Noncontrolling Interests	0.0	(0.8)
Payment for Contingent Consideration Liability, Financing Activities	$ (6.4)	$ 0.0