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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Current Assets:    
Cash and cash equivalents $ 200,218 $ 184,620
Accounts receivable, net of allowances of $16,449 and $16,546 2,666,983 2,716,083
Contract assets 518,256 453,832
Inventories 51,009 50,472
Prepaid expenses and other current assets 169,105 183,382
Total current assets 3,605,571 3,588,389
Property and equipment, net of accumulated depreciation of $1,417,734 and $1,372,132 1,583,451 1,560,656
Operating lease right-of-use assets 252,206 256,845
Other assets, net 576,975 435,713
Other intangible assets, net of accumulated amortization of $539,986 and $517,574 415,122 435,655
Goodwill 2,124,089 2,121,014
Total assets 8,557,414 8,398,272
Current Liabilities:    
Current maturities of long-term debt and short-term debt 10,709 14,764
Current portion of operating lease liabilities 83,799 85,134
Accounts payable and accrued expenses 1,506,025 1,509,794
Contract liabilities 499,527 528,864
Total current liabilities 2,100,060 2,138,556
Long-term debt, net of current maturities 1,347,560 1,174,294
Operating lease liabilities, net of current portion 176,008 178,822
Deferred income taxes 170,059 166,407
Insurance and other non-current liabilities 383,564 391,221
Total liabilities 4,177,251 4,049,300
Commitments and Contingencies
Equity:    
Common stock, $0.00001 par value, 600,000,000 shares authorized, 164,810,123 and 162,710,792 shares issued, and 139,446,849 and 138,300,191 shares outstanding 2 2
Additional paid-in capital 2,183,728 2,170,026
Retained earnings 3,346,299 3,264,967
Accumulated other comprehensive loss (224,458) (232,997)
Treasury stock, 25,363,274 and 24,410,601 common shares (930,628) (857,817)
Total stockholders’ equity 4,374,943 4,344,181
Non-controlling interests 5,220 4,791
Total equity 4,380,163 4,348,972
Total liabilities and equity $ 8,557,414 $ 8,398,272