CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating Activities
Net earnings	$ 246.0	$ 215.9
Adjustments to reconcile net earnings to cash provided by (used in) operating activities:
Depreciation and amortization	38.3	39.0
Stock based compensation expense	9.0	8.9
Net changes in operating assets and liabilities:
Current assets and liabilities	(233.9)	(50.0)
Noncurrent assets and liabilities	(5.0)	(17.8)
Cash Provided by Operating Activities	54.4	196.0
Investing Activities
Capital expenditures	(30.7)	(30.7)
Acquisitions of businesses	(8.0)	0.0
Investments in marketable securities	(16.9)	(98.3)
Net proceeds from sale of marketable securities	96.5	79.0
Cash Provided by (Used in) Investing Activities	40.9	(50.0)
Financing Activities
Long-term debt incurred	101.7
Long-term debt (repaid)		(6.8)
Common stock repurchases	(190.4)	(198.1)
Net (payments) proceeds from stock option activity	(2.6)	14.5
Dividends paid	(87.9)	(83.9)
Cash Used in Financing Activities	(179.2)	(274.3)
Net decrease in cash and cash equivalents	(83.9)	(128.3)
Cash and cash equivalents - beginning of period	443.3	573.1
Cash and Cash Equivalents - End of Period	$ 359.4	$ 444.8