Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]

Schedule of Fair Value of Financial Instruments That Are Not Carried At Fair Value

The following table provides the carrying value and fair value of financial instruments that are not carried at fair value at December 31, 2015 and 2014:

	2015				2014
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Long-term debt:
Level 1	$	111,058	$	140,156	$	109,024	$	145,188
Level 2	329,763		305,681		172,208		164,204
Total	$	440,821	$	445,837	$	281,232	$	309,392