Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net earnings	$ 439.7	$ 337.6
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property, plant and equipment	25.2	24.3
Amortization of intangible assets	153.0	147.2
Amortization of deferred financing costs	3.2	3.6
Non-cash stock compensation	54.0	43.9
Gain on sale of assets	0.0	(9.4)
Changes in operating assets and liabilities, net of acquired businesses:
Accounts receivable	(28.4)	50.1
Unbilled receivables	(24.0)	(16.9)
Inventories	(15.2)	(13.2)
Accounts payable and accrued liabilities	(30.8)	15.3
Deferred revenue	39.5	33.3
Income taxes	(61.7)	(51.0)
Other, net	(6.7)	(14.7)
Cash provided by operating activities	547.8	550.1
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(1,182.3)	(35.5)
Capital expenditures	(23.1)	(24.8)
Capitalized software expenditures	(4.4)	(5.7)
Proceeds from sale of assets	0.0	10.5
Other, net	(0.8)	(6.6)
Cash used in investing activities	(1,210.6)	(62.1)
Cash flows from financing activities:
Borrowings/(payments) under revolving line of credit, net	465.0	(570.0)
Cash dividends to stockholders	(84.5)	(70.9)
Proceeds from stock-based compensation, net	32.7	20.7
Treasury stock sales	2.8	2.0
Other	0.4	(0.2)
Cash provided by/(used in) financing activities	416.4	(618.4)
Effect of foreign currency exchange rate changes on cash	(3.1)	36.5
Net decrease in cash and cash equivalents	(249.5)	(93.9)
Cash and cash equivalents, beginning of period	671.3	757.2
Cash and cash equivalents, end of period	$ 421.8	$ 663.3