Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2016

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:

	June 30, 2016				December 31, 2015
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable rate debt	$	48,851	$	48,851	$	58,792	$	58,792
Fixed-rate bonds		250,000		255,625		250,000		250,938
2.40% Term loan		9,516		9,406		10,109		10,535
2.05% Term loan		40,000		38,724		42,130		42,886
1.30% Term Loan		11,102		10,403		—		—
1.55% Term loan		10,884		9,554		2,839		2,524
Total	$	370,353	$	372,563	$	363,870	$	365,675