Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net earnings	$ 687.3	$ 527.9
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property, plant and equipment	37.3	36.8
Amortization of intangible assets	235.6	221.5
Amortization of deferred financing costs	4.6	5.4
Non-cash stock compensation	81.1	67.6
Loss on debt extinguishment	15.9	0.0
Gain on sale of assets	0.0	(9.4)
Changes in operating assets and liabilities, net of acquired businesses:
Accounts receivable	(30.1)	30.1
Unbilled receivables	(20.1)	(27.2)
Inventories	(30.4)	(19.6)
Accounts payable and accrued liabilities	17.6	48.3
Deferred revenue	32.4	50.6
Income taxes	(59.3)	(48.4)
Other, net	(5.9)	(17.9)
Cash provided by operating activities	966.0	865.7
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(1,188.3)	(88.1)
Capital expenditures	(34.2)	(35.9)
Capitalized software expenditures	(7.2)	(8.0)
Proceeds from sale of assets	0.0	10.6
Other, net	(0.7)	(6.9)
Cash used in investing activities	(1,230.4)	(128.3)
Cash flows from financing activities:
Proceeds from senior notes	1,500.0	0.0
Payment of senior notes	(500.0)	0.0
Payments under revolving line of credit, net	(930.0)	(880.0)
Debt issuance costs	(12.8)	0.0
Redemption premium for debt extinguishment	(15.5)	0.0
Cash dividends to stockholders	(126.7)	(106.5)
Proceeds from stock-based compensation, net	46.6	32.9
Treasury stock sales	4.1	3.2
Other	(6.5)	0.2
Cash used in financing activities	(40.8)	(950.2)
Effect of foreign currency exchange rate changes on cash	(2.7)	61.2
Net decrease in cash and cash equivalents	(307.9)	(151.6)
Cash and cash equivalents, beginning of period	671.3	757.2
Cash and cash equivalents, end of period	$ 363.4	$ 605.6