Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

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:

	2019
In thousands	Contract liabilities, less contract assets
Beginning balance, January 1	$	102,130
Revenues recognized from beginning contract liability	(41,873		)
Increases due to amounts collected or due	184,808
Revenues recognized from current period increases	(129,074		)
Other	(9,053		)
Ending balance, June 30	$	106,938