Consolidated Statements of Cash Flow (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash from operating activities:
Net income	$ 715.2	$ 638.7	$ 559.5
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	168.1	136.5	121.8
Stock-based compensation expense	41.4	36.1	31.4
Excess tax benefits from stock-based compensation payment arrangements	(32.3)	(21.0)	(21.6)
Net change in operating assets and liabilities:
Accounts receivable	(111.5)	(37.1)	(123.9)
Inventory	(51.6)	(8.0)	(45.9)
Other current assets	(10.0)	(18.4)	(0.1)
Accounts payable	66.8	6.9	99.4
Accrued income taxes	38.1	30.8	34.1
Other accrued liabilities	49.2	(0.6)	27.4
Accrued pension and post-employment benefits	(1.5)	8.5	0.3
Other long-term assets	8.8	(1.6)	(7.7)
Other	0.2	(1.7)
Net cash provided by operating activities	880.9	769.1	674.7
Cash from investing activities:
Purchase of land and depreciable assets	(209.1)	(158.4)	(129.1)
Proceeds from disposal of land and depreciable assets	5.6	3.7	4.8
Purchases of short-term investments	(721.0)	(741.1)	(379.6)
Sales and maturities of short-term investments	660.8	687.4	261.8
Acquisitions, net of cash acquired	(518.2)	(484.9)	(251.5)
Net cash used in investing activities	(781.9)	(693.3)	(493.6)
Cash from financing activities:
Proceeds from issuance of senior notes	1,498.1		498.7
Long-term borrowings under credit facilities	2,945.9	1,041.4	819.6
Repayments of long-term debt	(3,904.0)	(620.3)	(988.8)
Payments of costs related to debt financing	(11.1)	(2.8)	(4.3)
Purchase and retirement of treasury stock	(539.4)	(324.7)	(380.1)
Proceeds from exercise of stock options	97.8	95.1	95.5
Excess tax benefits from stock-based compensation payment arrangements	32.3	21.0	21.6
Distributions to and purchases of noncontrolling interests	(3.6)	(4.4)	(5.2)
Dividend payments	(101.9)	(96.8)	(70.1)
Net cash provided by (used in) financing activities	14.1	108.5	(13.1)
Effect of exchange rate changes on cash and cash equivalents	(31.0)	11.7	7.7
Net change in cash and cash equivalents	82.1	196.0	175.7
Cash and cash equivalents balance, beginning of period	886.8	690.8	515.1
Cash and cash equivalents balance, end of period	968.9	886.8	690.8
Cash paid for:
Interest	67.4	60.4	48.6
Income taxes	$ 209.6	$ 176.8	$ 189.7