Trade And Unbilled Receivables, Net (Tables)

12 Months Ended

Dec. 31, 2019

Accounts Receivable, after Allowance for Credit Loss [Abstract]

Schedule Of Trade And Unbilled Receivables, Net

	December 31,
	2019			2018
Trade and unbilled receivables (1)	$	1,030,372		$	968,064
Contract assets (2)	1,048,031			756,159
Less – allowance for doubtful accounts	(10,557		)	(11,308		)
	$	2,067,846		$	1,712,915