Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net earnings	$ 575.3	$ 459.5
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property, plant and equipment	29.2	25.1
Amortization of intangible assets	293.2	203.0
Amortization of deferred financing costs	6.8	4.3
Non-cash stock compensation	69.3	58.2
Gain on sale of assets, net of tax	(21.6)	0.0
Income tax provision, excluding tax associated with gain on sale of assets	145.5	129.2
Changes in operating assets and liabilities, net of acquired businesses:
Accounts receivable	60.7	49.6
Unbilled receivables	(29.4)	(42.3)
Inventories	(14.7)	(19.1)
Accounts payable and accrued liabilities	17.5	18.8
Deferred revenue	40.2	(4.3)
Cash tax paid for gain on disposal of businesses	0.0	(10.0)
Cash income taxes paid	(151.3)	(52.5)
Other, net	(35.6)	(6.5)
Cash provided by operating activities	985.1	813.0
Cash flows from (used in) investing activities:
Acquisitions of businesses, net of cash acquired	(15.5)	(153.0)
Capital expenditures	(17.2)	(15.5)
Capitalized software expenditures	(15.3)	(5.2)
Proceeds from (used in) disposal of businesses	(0.1)	(3.8)
Proceeds from sale of assets	27.1	0.0
Other, net	(1.2)	0.0
Cash used in investing activities	(22.2)	(177.5)
Cash flows from (used in) financing activities:
Proceeds from senior notes	0.0	600.0
Borrowings (payments) under revolving line of credit, net	(870.0)	0.0
Debt issuance costs	0.0	(12.0)
Cash dividends to stockholders	(117.8)	(106.6)
Proceeds from stock-based compensation, net	45.2	47.7
Treasury stock sales	8.2	4.5
Other	(0.2)	(0.7)
Cash flows provided by (used in) financing activities	(934.6)	532.9
Effect of foreign currency exchange rate changes on cash	1.2	(7.3)
Net increase in cash and cash equivalents	29.5	1,161.1
Cash and cash equivalents, beginning of period	308.3	709.7
Cash and cash equivalents, end of period	$ 337.8	$ 1,870.8