CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash from operating activities:
Net income	$ 556.1	$ 480.9
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	122.2	110.6
Stock-based compensation expense	26.0	24.4
Deferred income tax (benefit) provision	(36.9)	6.0
Net change in components of working capital	(185.5)	(115.8)
Net change in accrued pension and postretirement benefits	(78.9)	9.6
Net change in other long-term assets and liabilities	(7.7)	2.5
Net cash provided by operating activities	395.3	518.2
Cash from investing activities:
Capital expenditures	(134.1)	(100.2)
Proceeds from disposals of property, plant and equipment	1.5	0.7
Purchases of short-term investments	(26.6)	(33.5)
Sales and maturities of short-term investments	34.9	131.5
Acquisitions, net of cash acquired	(158.8)	(199.0)
Net cash used in investing activities	(283.1)	(200.5)
Cash from financing activities:
Proceeds from issuance of senior notes, net		749.3
Repayments of long-term debt	(3.0)
Repayments under commercial paper program, net	(125.6)	(364.1)
Payment of costs related to debt financing		(5.2)
Proceeds from exercise of stock options	50.7	73.0
Distributions to and purchases of noncontrolling interests	(7.1)	(19.6)
Purchase and retirement of treasury stock	(645.4)	(399.9)
Dividend payments	(115.5)	(98.2)
Net cash used in financing activities	(845.9)	(64.7)
Effect of exchange rate changes on cash and cash equivalents	(21.0)	29.3
Net change in cash and cash equivalents	(754.7)	282.3
Cash and cash equivalents balance, beginning of period	1,719.1	1,034.6
Cash and cash equivalents balance, end of period	964.4	1,316.9
Cash paid for:
Interest	48.0	35.4
Income taxes	$ 234.5	$ 173.7