Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Carrying Value and Fair Value of Long-Term Debt

The following table sets forth carrying value and fair value of long-term debt:

	September 30, 2015				December 31, 2014
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable rate debt	$	83,464	$	83,464	$	90,555	$	90,555
Fixed-rate bonds		250,000		253,908		250,000		255,470
2.40% Term loan		10,803		10,729		12,155		12,626
2.05% Term loan		44,848		43,611		51,902		53,106
Total	$	389,115	$	391,712	$	404,612	$	411,757