CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash from operating activities:
Net income	$ 158.4	$ 181.8
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	61.9	40.1
Stock-based compensation expense	11.6	10.1
Excess tax benefits from stock-based compensation payment arrangements	(4.2)	(3.6)
Net change in components of working capital	(45.9)	(40.1)
Net change in other long-term assets and liabilities	12.4
Net cash provided by operating activities	194.2	188.3
Cash from investing activities:
Purchases of land and depreciable assets	(41.0)	(40.0)
Proceeds from disposals of land and depreciable assets	2.7	0.3
Purchases of short-term investments	(16.1)	(104.5)
Sales and maturities of short-term investments	13.1	84.0
Acquisitions, net of cash acquired	(1,185.8)	(76.1)
Net cash used in investing activities	(1,227.1)	(136.3)
Cash from financing activities:
Long-term borrowings under credit facilities		125.0
Repayments of long-term debt		(86.2)
Borrowings under commercial paper program, net	50.8	46.8
Payments of costs related to debt financing	(3.0)
Proceeds from exercise of stock options	14.6	16.0
Excess tax benefits from stock-based compensation payment arrangements	4.2	3.6
Distributions to shareholders of noncontrolling interests	(4.0)	(3.2)
Purchase and retirement of treasury stock	(49.2)	(62.2)
Dividend payments	(43.2)	(77.5)
Net cash used in financing activities	(29.8)	(37.7)
Effect of exchange rate changes on cash and cash equivalents	12.5	(13.3)
Net change in cash and cash equivalents	(1,050.2)	1.0
Cash and cash equivalents balance, beginning of period	1,737.2	968.9
Cash and cash equivalents balance, end of period	687.0	969.9
Cash paid for:
Interest	31.2	30.2
Income taxes	$ 47.6	$ 51.9