Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 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:

	March 31, 2015				December 31, 2014
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable rate debt	$	80,030	$	80,030	$	90,555	$	90,555
Fixed-rate bonds		250,000		256,563		250,000		255,470
2.05% Term loan		45,870		47,567		51,902		53,106
2.40% Term loan		10,742		11,291		12,155		12,626
Total	$	386,642	$	395,451	$	404,612	$	411,757