Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2021

Revenues [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, 2021	$	98,388
Revenues recognized from beginning contract liability	(58,754)
Cumulative catch-up adjustments	8,668
Increases due to amounts collected or due	91,347
Revenues recognized from current period increases	(7,434)
Other	(447)
Ending balance, March 31, 2021	$	131,768