Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Cash and cash equivalents	$ 528,462	$ 272,943
Accounts receivable, net	1,042,936	915,638
Contract assets	803,685	757,515
Prepaid expenses and other current assets	198,619	191,430
Property and equipment, net	98,217	98,957
Right of use assets, operating leases	136,169	159,211
Accounts payable	252,838	242,821
Accrued expenses and other current liabilities	822,124	801,423
Short-term lease liabilities, operating leases	52,840	58,556
Long-term lease liabilities, operating leases	98,152	117,505
Contract liabilities	$ 298,104	$ 301,107
Common stock, par value	$ 1	$ 1
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares, issued	146,698,035	146,341,363
Common stock, shares, outstanding	50,022,445	45,960,122
Treasury stock, shares	40,501,385	40,501,385
ESOP
Common stock, shares, outstanding	56,161,683	59,879,857
Consolidated Joint Ventures
Cash and cash equivalents	$ 128,259	$ 128,761
Accounts receivable, net	278,869	274,846
Contract assets	41,963	11,096
Prepaid expenses and other current assets	15,220	11,929
Property and equipment, net	3,207	3,274
Right of use assets, operating leases	7,423	9,885
Accounts payable	55,621	49,234
Accrued expenses and other current liabilities	150,734	145,040
Short-term lease liabilities, operating leases	4,123	4,753
Long-term lease liabilities, operating leases	3,299	5,132
Contract liabilities	$ 66,042	$ 61,234