Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current Assets:
Cash and cash equivalents	$ 1,148,320	$ 1,512,883
Accounts receivable, net	1,997,840	1,532,599
Deferred contract costs	349,343	218,807
Other	164,272	170,907
Total current assets	3,659,775	3,435,196
Property and equipment, net	449,404	479,225
Operating lease right-of-use assets	551,652	516,280
Goodwill	7,927	7,927
Deferred federal and state income taxes, net	70,671	63,690
Other assets, net	15,029	21,491
Total assets	4,754,458	4,523,809
Current Liabilities:
Accounts payable	1,036,749	860,856
Accrued expenses, primarily salaries and related costs	451,921	447,336
Contract liabilities	441,927	280,909
Current portion of operating lease liabilities	106,736	99,749
Federal, state and foreign income taxes	29,140	15,562
Total current liabilities	2,066,473	1,704,412
Noncurrent portion of operating lease liabilities	462,201	427,984
Commitments and contingencies
Shareholders’ Equity:
Preferred stock, par value $0.01 per share, authorized 2,000 shares; none issued	0	0
Common stock, par value $0.01 per share, authorized 640,000. Issued and outstanding: 138,003 shares and 143,866 shares at December 31, 2024 and 2023, respectively	1,380	1,439
Additional paid-in capital	0	0
Retained earnings	2,455,132	2,580,968
Accumulated other comprehensive loss	(233,500)	(192,057)
Total shareholders’ equity	2,223,012	2,390,350
Noncontrolling interest	2,772	1,063
Total equity	2,225,784	2,391,413
Total liabilities and equity	$ 4,754,458	$ 4,523,809