Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 74.3	$ 73.4
Discontinued operations, net of tax	0.0	1.6
Income from continuing operations	74.3	74.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	90.3	93.5
Net (gain) on assets-held-for sale and impairment of investments in affiliated companies	(1.8)	5.3
Equity in net income of affiliates, net of dividends	(2.0)	(3.3)
Deferred taxes	(0.6)	(0.2)
Amortization of discount and deferred financing fees	1.0	1.6
Stock-based compensation	4.9	9.9
Provision for losses on trade accounts receivable	6.2	1.8
Other	2.3	(0.3)
Changes in assets and liabilities:
Trade accounts receivable	(40.6)	(11.4)
Other current and long-term assets	(0.5)	(16.1)
Trade accounts payable	12.3	0.0
Other current and long-term liabilities	(20.3)	(29.5)
Cash provided by operating activities of continuing operations	125.5	126.2
Cash used in operating activities of discontinued operations	0.0	(2.4)
Cash provided by operating activities	125.5	123.8
Cash flows from investing activities:
Capital expenditures	(42.0)	(41.9)
Proceeds from sale/maturity of other investments	19.4	6.8
Purchases of other investments	(0.2)	(14.4)
Investment in non-consolidated affiliate	(5.2)	0.0
Proceeds from disposals of assets held for sale	1.6	0.8
Other	0.9	(2.2)
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(25.5)	(50.9)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	0.0	0.0
Cash used in investing activities	(25.5)	(50.9)
Cash flows from financing activities:
Repayments of debt	(13.8)	(18.8)
Proceeds from issuance of common stock and exercise of stock options	10.9	10.1
Dividends to shareholders	(14.7)	(14.4)
Employee taxes paid on restricted stock units recorded as treasury stock	(32.1)	(36.8)
Cash used in financing activities	(49.7)	(59.9)
Effect of exchange rate changes on cash and cash equivalents	(18.7)	0.5
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	31.6	13.5
Cash and cash equivalents, beginning of period	274.1	187.4
Cash and cash equivalents, end of period	$ 305.7	$ 200.9