Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 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	(36,215		)
Increases due to amounts collected or due	90,592
Revenues recognized from current period increases	(40,740		)
Other	(8,889		)
Ending balance, March 31	$	106,878