CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash from operating activities:
Net income	$ 362.4	$ 336.2
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	83.5	77.6
Stock-based compensation expense	20.2	19.2
Excess tax benefits from stock-based compensation payment arrangements	(9.1)	(18.1)
Net change in components of working capital	(44.3)	(41.2)
Net change in other long-term assets and liabilities	10.1	9.6
Net cash provided by operating activities	422.8	383.3
Cash from investing activities:
Purchases of land and depreciable assets	(85.2)	(105.9)
Proceeds from disposals of land and depreciable assets	2.3	1.4
Purchases of short-term investments	(113.6)	(356.0)
Sales and maturities of short-term investments	319.8	293.4
Acquisitions, net of cash acquired	(171.8)	(19.5)
Net cash used in investing activities	(48.5)	(186.6)
Cash from financing activities:
Proceeds from issuance of senior notes		748.8
Long-term borrowings under credit facilities	125.0	398.1
Repayments of long-term debt	(211.0)	(936.6)
Borrowings under commercial paper program, net	172.5	0.0
Payments of costs related to debt financing		(5.7)
Proceeds from exercise of stock options	40.2	58.3
Excess tax benefits from stock-based compensation payment arrangements	9.1	18.1
Distributions to shareholders of noncontrolling interests	(4.4)	(1.7)
Purchase and retirement of treasury stock	(143.6)	(250.2)
Dividend payments	(77.5)	(31.4)
Net cash used in financing activities	(89.7)	(2.3)
Effect of exchange rate changes on cash and cash equivalents	(10.7)	(1.1)
Net change in cash and cash equivalents	273.9	193.3
Cash and cash equivalents balance, beginning of period	968.9	886.8
Cash and cash equivalents balance, end of period	1,242.8	1,080.1
Cash paid for:
Interest	32.0	29.7
Income taxes	$ 128.7	$ 119.3