Revenues (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

A summary of significant net changes in the contract assets and the contract liabilities balances during the period is as follows:

In thousands	Contract liabilities, less contract assets
Beginning balance, January 1, 2020	$	88,215
Revenues recognized from beginning contract liability	(83,530)
Cumulative catch-up adjustments	(13,372)
Increases due to amounts collected or due	309,613
Revenues recognized from current period increases	(198,190)
Other	(4,348)
Ending balance, December 31, 2020	$	98,388