Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 380,754	$ 638,583
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	535,816	518,987
Share-based compensation expense	157,165	110,500
Provision for deferred income taxes	3,582	21,554
Gain on sale of businesses	0	(216,869)
Investment gains	0	(75,834)
Asset Impairment Charges	117,739	0
Changes in assets and liabilities:
Receivables, net	(33,948)	(78,695)
Inventory	(2,360)	8,206
Prepaid expenses and other	(2,091)	(36,664)
Accounts payable	27,467	(60,808)
Accrued income taxes	13,100	33,005
Deferred revenue	11,053	(32,071)
Other accrued liabilities	46,113	94,151
Net cash provided by operating activities	1,254,390	924,045
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital purchases	(246,813)	(238,053)
Capitalized software development costs	(242,677)	(224,710)
Purchases of investments	(607,390)	(511,378)
Sales and maturities of investments	753,347	213,309
Purchase of other intangibles	(23,197)	(29,698)
Acquisition of businesses, net of cash acquired	(348,179)	(35,766)
Sale of businesses	0	229,471
Disposition of assets held for sale	9,349	0
Net cash used in investing activities	(705,560)	(596,825)
CASH FLOWS FROM FINANCING ACTIVITIES:
Long-term debt issuance	500,000	300,000
Repayments of Long-term Debt	0	(2,500)
Proceeds from exercise of stock options	214,577	202,680
Payments to taxing authorities in connection with shares directly withheld from associates	(62,159)	(22,623)
Treasury stock purchases	(1,125,000)	(650,000)
Dividends paid	(202,054)	(166,277)
Other financing activities	(18,441)	(6,807)
Net cash provided by (used in) financing activities	(693,077)	(345,527)
Effect of exchange rate changes on cash and cash equivalents	(11,828)	(4,382)
Net increase (decrease) in cash and cash equivalents	(156,075)	(22,689)
Cash and cash equivalents at beginning of period	615,615	441,843
Cash and cash equivalents at end of period	$ 459,540	$ 419,154