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Accrued Expenses and Other Current Liabilities

12 Months Ended

Dec. 31, 2019

Payables And Accruals [Abstract]

Accrued Expenses and Other Current Liabilities

11. Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following at December 31, 2018 and December 31, 2019 (in thousands):

		2018				2019
Salaries and wages		$	50,991			$	46,685
Employee benefits			214,008				259,081
Self-insurance liability			29,682				29,997
Project cost accruals			183,362				217,729
Other accrued expenses			81,657				86,371
Total accrued expenses and other current liabilities		$	559,700			$	639,863

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- Definition

The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period.

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