Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net earnings	$ 369.6	$ 211.3
Adjustments to reconcile net earnings to cash flows from operating activities:
Depreciation and amortization of property, plant and equipment	11.7	12.6
Amortization of intangible assets	82.9	75.3
Amortization of deferred financing costs	1.7	1.6
Non-cash stock compensation	25.3	26.0
Gain on disposal of business, net of associated income tax	(89.6)	0.0
Changes in operating assets and liabilities, net of acquired businesses:
Accounts receivable	88.9	17.3
Unbilled receivables	(25.3)	(10.5)
Inventories	(19.5)	(9.0)
Accounts payable and accrued liabilities	(92.8)	(45.9)
Deferred revenue	11.9	26.3
Income taxes, excluding tax associated with gain on disposal of businesses	(17.6)	(13.8)
Cash tax paid for gain on disposal of businesses	(39.4)	0.0
Other, net	(17.5)	(9.5)
Cash provided by operating activities	290.3	281.7
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(3.2)	(38.9)
Capital expenditures	(15.8)	(9.7)
Capitalized software expenditures	(2.0)	(1.9)
Proceeds from disposal of business	220.4	0.0
Other, net	(2.2)	(1.0)
Cash from (used in) investing activities	197.2	(51.5)
Cash flows from financing activities:
Payments under revolving line of credit, net	(455.0)	(535.0)
Cash dividends to stockholders	(47.7)	(42.1)
Proceeds from stock-based compensation, net	22.0	23.8
Treasury stock sales	2.2	1.6
Other	14.2	0.1
Cash used in financing activities	(464.3)	(551.6)
Effect of foreign currency exchange rate changes on cash	4.9	16.3
Net increase (decrease) in cash and cash equivalents	28.1	(305.1)
Cash and cash equivalents, beginning of period	364.4	671.3
Cash and cash equivalents, end of period	$ 392.5	$ 366.2