Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 28, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 555,596	$ 780,088	$ 529,454
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	718,854	697,423	687,966
Share-based compensation expense	195,654	153,449	103,641
Provision for deferred income taxes	7,351	1,502	51,125
Gain on sale of businesses	0	(220,523)	0
Investment gains	0	(75,834)	(29,621)
Asset Impairment Charges	133,851	0	0
Changes in assets and liabilities (net of businesses acquired):
Receivables, net	26,000	3,686	58,113
Inventory	(5,131)	960	1,855
Prepaid expenses and other	(4,560)	(51,442)	(76,748)
Accounts payable	42,485	(62,663)	(8,734)
Accrued income taxes	(4,431)	19,995	(4,599)
Deferred revenue	104,226	34,500	(39,245)
Other accrued liabilities	1,789	155,564	39,892
Net cash provided by operating activities	1,771,684	1,436,705	1,313,099
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital purchases	(289,694)	(283,981)	(471,518)
Capitalized software development costs	(308,026)	(295,277)	(273,871)
Purchases of investments	(615,330)	(696,548)	(364,648)
Sales and maturities of investments	858,932	333,161	579,755
Purchase of other intangibles	(29,561)	(38,243)	(35,587)
Sale of businesses	0	229,471	0
Disposition of assets held for sale	9,349	0	0
Acquisition of business, net of cash acquired	(355,504)	(49,820)	(74,539)
Net cash used in investing activities	(729,834)	(801,237)	(640,408)
CASH FLOWS FROM FINANCING ACTIVITIES:
Long-term debt issuance	500,000	300,000	600,000
Repayment of long-term debt	0	(2,500)	0
Proceeds from exercise of options	304,078	253,605	258,036
Payments to taxing authorities in connection with shares directly withheld from associates	(71,837)	(23,672)	(16,601)
Treasury stock purchases	(1,500,000)	(756,950)	(1,320,542)
Dividends paid	(267,478)	(221,461)	(113,823)
Other	(19,608)	(10,519)	(8,450)
Net cash used in financing activities	(1,054,845)	(461,497)	(601,380)
Effect of exchange rate changes on cash and cash equivalents	(12,773)	(199)	(3,594)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(25,768)	173,772	67,717
Cash and cash equivalents at beginning of period	615,615	441,843	374,126
Cash and cash equivalents at end of period	$ 589,847	$ 615,615	$ 441,843