CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash from operating activities:
Net income	$ 480.9	$ 367.2
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	110.6	112.4
Stock-based compensation expense	24.4	23.2
Excess tax benefits from stock-based compensation payment arrangements		(16.5)
Net change in components of working capital	(115.8)	(62.6)
Net change in other long-term assets and liabilities	18.1	14.1
Net cash provided by operating activities	518.2	437.8
Cash from investing activities:
Capital expenditures	(100.2)	(89.1)
Proceeds from disposals of property, plant and equipment	0.7	3.4
Purchases of short-term investments	(33.5)	(33.0)
Sales and maturities of short-term investments	131.5	25.2
Acquisitions, net of cash acquired	(199.0)	(1,185.8)
Net cash used in investing activities	(200.5)	(1,279.3)
Cash from financing activities:
Proceeds from issuance of senior notes	749.3
Borrowings (repayments) under commercial paper program, net	(364.1)	18.1
Payment of costs related to debt financing	(5.2)	(3.0)
Proceeds from exercise of stock options	73.0	67.8
Excess tax benefits from stock-based compensation payment arrangements		16.5
Distributions to and purchases of noncontrolling interests	(19.6)	(4.1)
Purchase and retirement of treasury stock	(399.9)	(108.4)
Dividend payments	(98.2)	(86.3)
Net cash used in financing activities	(64.7)	(99.4)
Effect of exchange rate changes on cash and cash equivalents	29.3	(2.3)
Net change in cash and cash equivalents	282.3	(943.2)
Cash and cash equivalents balance, beginning of period	1,034.6	1,737.2
Cash and cash equivalents balance, end of period	1,316.9	794.0
Cash paid for:
Interest	35.4	34.0
Income taxes	$ 173.7	$ 138.7