Contract Assets (Tables)

9 Months Ended

Sep. 30, 2020

Contract Assets

Changes In Contract Assets

Significant changes in the contract asset balance during the period are as follows:

	Nine Months Ended
	September 30,
(in thousands)		2020		2019
Beginning balance as of December 31,	$	161,061	$	140,082
Revenue recognized		1,382,582		1,613,047
Amounts collected or invoiced		(1,382,247)		(1,592,061)
Ending balance as of September 30,	$	161,396	$	161,068