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CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Activities
Net earnings	$ 296.5	$ 326.5	$ 282.9
Adjustments to reconcile earnings to cash provided by (used in) operating activities:
Depreciation and amortization	70.1	65.1	63.0
U.S. Tax Reform income tax expense	81.8
Pension (income) expense	(9.1)	(6.9)	0.1
Stock based compensation expense	9.9	9.4	8.8
Net changes in operating assets and liabilities, net of acquisitions:
Current assets and liabilities	(127.8)	68.5	16.8
Noncurrent assets and liabilities	5.0	(16.0)	(19.9)
Cash Provided by Operating Activities	326.4	446.6	351.7
Investing Activities
Acquisitions of businesses	(43.1)	(90.8)
Investments in marketable securities	(583.5)	(563.8)	(428.8)
Proceeds from sales of marketable securities	562.7	435.1	315.4
Capital expenditures	(94.2)	(80.7)	(72.7)
Cash Used in Investing Activities	(158.1)	(300.2)	(186.1)
Financing Activities
Long-term debt incurred	86.5	74.1	28.1
Common stock repurchases	(139.1)	(135.2)	(128.1)
Net (payments) proceeds from stock option activity	(0.9)	5.7	6.4
Acquisition related contingent payment	(1.7)
Dividends paid	(96.9)	(84.2)	(67.8)
Cash Used in Financing Activities	(152.1)	(139.6)	(161.4)
Net increase in cash and cash equivalents	16.2	6.8	4.2
Cash and cash equivalents-beginning of year	330.4	323.6	319.4
Cash and Cash Equivalents-End of Year	$ 346.6	$ 330.4	$ 323.6

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