CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net income	$ 51.1	$ 56.2
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	41.8	40.8
Excess tax benefit from share-based payment arrangements	0.0	(4.2)
Share-based compensation	4.4	4.2
Deferred income taxes	4.2	4.4
Income of unconsolidated affiliated company	(0.9)	(0.4)
(Gain) loss on sale of property and equipment	0.3	1.6
Changes in working capital, excluding effect of acquisitions, divestitures and currency	(0.3)	(55.2)
Changes in other assets and liabilities	(6.1)	5.2
Net cash provided by operating activities	94.5	52.6
Cash flows from investing activities
Additions to property and equipment	(41.7)	(30.6)
Proceeds from sale of property and equipment	0.1	0.1
Net cash used in investing activities	(41.6)	(30.5)
Cash flows from financing activities
Repayment of long-term debt	(0.4)	(23.4)
Net (repayment) borrowing of commercial paper	8.7	83.5
Net (repayment) borrowing of short-term debt	(1.1)	(5.7)
Cash dividends paid to shareholders	(29.1)	(32.1)
Common stock purchased for the treasury	(48.9)	(44.3)
Excess tax benefit from share-based payment arrangements	0.0	4.2
Stock incentive programs and related tax withholdings	(8.5)	(14.6)
Net cash used in financing activities	(79.3)	(32.4)
Effect of exchange rates on cash and cash equivalents	3.0	1.2
Net increase (decrease) in cash and cash equivalents	(23.4)	(9.1)
Cash and cash equivalents balance at beginning of year	74.2	59.2
Cash and cash equivalents balance at end of period	$ 50.8	$ 50.1