Contract Assets (Tables)

3 Months Ended

Mar. 31, 2020

Contract Assets

Changes In Contract Assets

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

	Three Months Ended
	March 31,
(in thousands)		2020		2019
Beginning balance as of December 31,	$	161,061	$	140,082
Revenue recognized		464,727		564,889
Amounts collected or invoiced		(465,826)		(547,946)
Ending balance as of March 31,	$	159,962	$	157,025