Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Table Text Block [Abstract]

Schedule of operating lease payments paid and received

The following table summarizes operating lease payments paid and sublease rentals received during the periods indicated:

	Year Ended December 31,
In thousands	2018		2017		2016
Operating lease payments	$	25,448	$	25,075	$	22,744
Sublease rental receipts	2,224		4,275		3,074

Schedule of capital long-term commitments which require future minimum rental payments

The following tables summarize by year the remaining non-cancelable future payments under our leases as of December 31, 2018:

In thousands	Pipeline and Capital Leases
2019	$	32,369
2020	28,502
2021	26,361
2022	27,871
2023	27,899
Thereafter	113,439
Total minimum lease payments	256,441
Less: Amount representing interest	(71,006		)
Present value of minimum lease payments	$	185,435

Schedule of operating long-term commitments which require future minimum lease payments

In thousands	Operating Leases
2019	$	10,690
2020	9,776
2021	10,007
2022	10,223
2023	10,262
Thereafter	18,169
Total minimum lease payments	$	69,127