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

10.

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