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Accrued Expenses and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2022
Payables And Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following at December 31, 2022 and December 31, 2021 (in thousands):

 

 

 

2022

 

 

2021

 

Salaries and wages

 

$

85,328

 

 

$

90,023

 

Employee benefits

 

 

298,914

 

 

 

264,912

 

Self-insurance liability

 

 

25,351

 

 

 

23,737

 

Project cost accruals

 

 

147,378

 

 

 

127,970

 

Other accrued expenses

 

 

73,222

 

 

 

92,447

 

Total accrued expenses and other current liabilities

 

$

630,193

 

 

$

599,089